Home / 879,602.19-1,213,853.36-477,194.19

Finding the Fourth Proportional to 879,602.19, 1,213,853.36 and 477,194.19

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Solution

The fourth proportional to 879,602.19, 1,213,853.36 and 477,194.19 is: 658,529.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,602.19 : 1,213,853.36 = 477,194.19 : x
  2. Step 2: Convert to fraction form
    879,602.19/1,213,853.36 = 477,194.19/x
  3. Step 3: Cross multiply
    879,602.19x = 1,213,853.36 × 477,194.19
  4. Step 4: Simplify right side
    879,602.19x = 579,243,768,518.01
  5. Step 5: Solve for x
    x = 579,243,768,518.01/879,602.19
  6. Step 6: Final answer
    x = 658,529.25

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Half scale
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Double scale
Find fourth proportional to 879,603.19, 1,213,854.74 and 477,195.19
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.