Home / 714,429.46-985,925.37-392,169.52

Finding the Fourth Proportional to 714,429.46, 985,925.37 and 392,169.52

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Solution

The fourth proportional to 714,429.46, 985,925.37 and 392,169.52 is: 541,200.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,429.46 : 985,925.37 = 392,169.52 : x
  2. Step 2: Convert to fraction form
    714,429.46/985,925.37 = 392,169.52/x
  3. Step 3: Cross multiply
    714,429.46x = 985,925.37 × 392,169.52
  4. Step 4: Simplify right side
    714,429.46x = 386,649,879,108.72
  5. Step 5: Solve for x
    x = 386,649,879,108.72/714,429.46
  6. Step 6: Final answer
    x = 541,200.92

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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.