Home / 514,981.65-710,748.22-285,589.96

Finding the Fourth Proportional to 514,981.65, 710,748.22 and 285,589.96

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Solution

The fourth proportional to 514,981.65, 710,748.22 and 285,589.96 is: 394,154.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,981.65 : 710,748.22 = 285,589.96 : x
  2. Step 2: Convert to fraction form
    514,981.65/710,748.22 = 285,589.96/x
  3. Step 3: Cross multiply
    514,981.65x = 710,748.22 × 285,589.96
  4. Step 4: Simplify right side
    514,981.65x = 202,982,555,719.87
  5. Step 5: Solve for x
    x = 202,982,555,719.87/514,981.65
  6. Step 6: Final answer
    x = 394,154.93

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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.