Home / 514,981.24-710,649.34-285,547.85

Finding the Fourth Proportional to 514,981.24, 710,649.34 and 285,547.85

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Solution

The fourth proportional to 514,981.24, 710,649.34 and 285,547.85 is: 394,042.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,981.24 : 710,649.34 = 285,547.85 : x
  2. Step 2: Convert to fraction form
    514,981.24/710,649.34 = 285,547.85/x
  3. Step 3: Cross multiply
    514,981.24x = 710,649.34 × 285,547.85
  4. Step 4: Simplify right side
    514,981.24x = 202,924,391,140.92
  5. Step 5: Solve for x
    x = 202,924,391,140.92/514,981.24
  6. Step 6: Final answer
    x = 394,042.30

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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.