Home / 426,399.40-588,432.90-232,807.72

Finding the Fourth Proportional to 426,399.40, 588,432.90 and 232,807.72

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Solution

The fourth proportional to 426,399.40, 588,432.90 and 232,807.72 is: 321,275.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,399.40 : 588,432.90 = 232,807.72 : x
  2. Step 2: Convert to fraction form
    426,399.40/588,432.90 = 232,807.72/x
  3. Step 3: Cross multiply
    426,399.40x = 588,432.90 × 232,807.72
  4. Step 4: Simplify right side
    426,399.40x = 136,991,721,821.99
  5. Step 5: Solve for x
    x = 136,991,721,821.99/426,399.40
  6. Step 6: Final answer
    x = 321,275.60

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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.