Home / 1,241,543.70-1,861,878.15-442,851.30

Finding the Fourth Proportional to 1,241,543.70, 1,861,878.15 and 442,851.30

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Solution

The fourth proportional to 1,241,543.70, 1,861,878.15 and 442,851.30 is: 664,120.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,543.70 : 1,861,878.15 = 442,851.30 : x
  2. Step 2: Convert to fraction form
    1,241,543.70/1,861,878.15 = 442,851.30/x
  3. Step 3: Cross multiply
    1,241,543.70x = 1,861,878.15 × 442,851.30
  4. Step 4: Simplify right side
    1,241,543.70x = 824,535,159,169.10
  5. Step 5: Solve for x
    x = 824,535,159,169.10/1,241,543.70
  6. Step 6: Final answer
    x = 664,120.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.