Home / 531,766.15-733,839.58-290,053.91

Finding the Fourth Proportional to 531,766.15, 733,839.58 and 290,053.91

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Solution

The fourth proportional to 531,766.15, 733,839.58 and 290,053.91 is: 400,275.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,766.15 : 733,839.58 = 290,053.91 : x
  2. Step 2: Convert to fraction form
    531,766.15/733,839.58 = 290,053.91/x
  3. Step 3: Cross multiply
    531,766.15x = 733,839.58 × 290,053.91
  4. Step 4: Simplify right side
    531,766.15x = 212,853,041,688.92
  5. Step 5: Solve for x
    x = 212,853,041,688.92/531,766.15
  6. Step 6: Final answer
    x = 400,275.65

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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.