Home / 879,858.14-1,214,204.15-477,450.14

Finding the Fourth Proportional to 879,858.14, 1,214,204.15 and 477,450.14

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Solution

The fourth proportional to 879,858.14, 1,214,204.15 and 477,450.14 is: 658,881.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,858.14 : 1,214,204.15 = 477,450.14 : x
  2. Step 2: Convert to fraction form
    879,858.14/1,214,204.15 = 477,450.14/x
  3. Step 3: Cross multiply
    879,858.14x = 1,214,204.15 × 477,450.14
  4. Step 4: Simplify right side
    879,858.14x = 579,721,932,947.81
  5. Step 5: Solve for x
    x = 579,721,932,947.81/879,858.14
  6. Step 6: Final answer
    x = 658,881.14

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Double scale
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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.