Home / 514,832.13-710,432.51-285,387.21

Finding the Fourth Proportional to 514,832.13, 710,432.51 and 285,387.21

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Solution

The fourth proportional to 514,832.13, 710,432.51 and 285,387.21 is: 393,814.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,832.13 : 710,432.51 = 285,387.21 : x
  2. Step 2: Convert to fraction form
    514,832.13/710,432.51 = 285,387.21/x
  3. Step 3: Cross multiply
    514,832.13x = 710,432.51 × 285,387.21
  4. Step 4: Simplify right side
    514,832.13x = 202,748,350,495.26
  5. Step 5: Solve for x
    x = 202,748,350,495.26/514,832.13
  6. Step 6: Final answer
    x = 393,814.49

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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.