Home / 634,151.20-875,125.20-347,683.36

Finding the Fourth Proportional to 634,151.20, 875,125.20 and 347,683.36

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Solution

The fourth proportional to 634,151.20, 875,125.20 and 347,683.36 is: 479,801.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,151.20 : 875,125.20 = 347,683.36 : x
  2. Step 2: Convert to fraction form
    634,151.20/875,125.20 = 347,683.36/x
  3. Step 3: Cross multiply
    634,151.20x = 875,125.20 × 347,683.36
  4. Step 4: Simplify right side
    634,151.20x = 304,266,469,956.67
  5. Step 5: Solve for x
    x = 304,266,469,956.67/634,151.20
  6. Step 6: Final answer
    x = 479,801.14

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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.