Home / 514,984.49-710,752.13-285,592.79

Finding the Fourth Proportional to 514,984.49, 710,752.13 and 285,592.79

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Solution

The fourth proportional to 514,984.49, 710,752.13 and 285,592.79 is: 394,158.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,984.49 : 710,752.13 = 285,592.79 : x
  2. Step 2: Convert to fraction form
    514,984.49/710,752.13 = 285,592.79/x
  3. Step 3: Cross multiply
    514,984.49x = 710,752.13 × 285,592.79
  4. Step 4: Simplify right side
    514,984.49x = 202,985,678,823.42
  5. Step 5: Solve for x
    x = 202,985,678,823.42/514,984.49
  6. Step 6: Final answer
    x = 394,158.82

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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.