Home / 553,669.35-830,504.03-132,945.23

Finding the Fourth Proportional to 553,669.35, 830,504.03 and 132,945.23

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Solution

The fourth proportional to 553,669.35, 830,504.03 and 132,945.23 is: 199,417.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,669.35 : 830,504.03 = 132,945.23 : x
  2. Step 2: Convert to fraction form
    553,669.35/830,504.03 = 132,945.23/x
  3. Step 3: Cross multiply
    553,669.35x = 830,504.03 × 132,945.23
  4. Step 4: Simplify right side
    553,669.35x = 110,411,544,467.03
  5. Step 5: Solve for x
    x = 110,411,544,467.03/553,669.35
  6. Step 6: Final answer
    x = 199,417.84

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.