Home / 657,030.40-985,545.60-657,030.40

Finding the Fourth Proportional to 657,030.40, 985,545.60 and 657,030.40

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Solution

The fourth proportional to 657,030.40, 985,545.60 and 657,030.40 is: 985,545.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,030.40 : 985,545.60 = 657,030.40 : x
  2. Step 2: Convert to fraction form
    657,030.40/985,545.60 = 657,030.40/x
  3. Step 3: Cross multiply
    657,030.40x = 985,545.60 × 657,030.40
  4. Step 4: Simplify right side
    657,030.40x = 647,533,419,786.24
  5. Step 5: Solve for x
    x = 647,533,419,786.24/657,030.40
  6. Step 6: Final answer
    x = 985,545.60

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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.