Home / 514,887.18-710,586.26-285,516.38

Finding the Fourth Proportional to 514,887.18, 710,586.26 and 285,516.38

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Solution

The fourth proportional to 514,887.18, 710,586.26 and 285,516.38 is: 394,035.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,887.18 : 710,586.26 = 285,516.38 : x
  2. Step 2: Convert to fraction form
    514,887.18/710,586.26 = 285,516.38/x
  3. Step 3: Cross multiply
    514,887.18x = 710,586.26 × 285,516.38
  4. Step 4: Simplify right side
    514,887.18x = 202,884,016,651.74
  5. Step 5: Solve for x
    x = 202,884,016,651.74/514,887.18
  6. Step 6: Final answer
    x = 394,035.87

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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.