Home / 657,042.10-984,834.15-257,550.10

Finding the Fourth Proportional to 657,042.10, 984,834.15 and 257,550.10

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Solution

The fourth proportional to 657,042.10, 984,834.15 and 257,550.10 is: 386,039.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,042.10 : 984,834.15 = 257,550.10 : x
  2. Step 2: Convert to fraction form
    657,042.10/984,834.15 = 257,550.10/x
  3. Step 3: Cross multiply
    657,042.10x = 984,834.15 × 257,550.10
  4. Step 4: Simplify right side
    657,042.10x = 253,644,133,815.92
  5. Step 5: Solve for x
    x = 253,644,133,815.92/657,042.10
  6. Step 6: Final answer
    x = 386,039.39

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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.