Home / 985,128.08-1,359,474.72-532,418

Finding the Fourth Proportional to 985,128.08, 1,359,474.72 and 532,418

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Solution

The fourth proportional to 985,128.08, 1,359,474.72 and 532,418 is: 734,735.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,128.08 : 1,359,474.72 = 532,418 : x
  2. Step 2: Convert to fraction form
    985,128.08/1,359,474.72 = 532,418/x
  3. Step 3: Cross multiply
    985,128.08x = 1,359,474.72 × 532,418
  4. Step 4: Simplify right side
    985,128.08x = 723,808,811,472.96
  5. Step 5: Solve for x
    x = 723,808,811,472.96/985,128.08
  6. Step 6: Final answer
    x = 734,735.74

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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.