Home / 1,191,432.28-1,644,193.20-647,567.92

Finding the Fourth Proportional to 1,191,432.28, 1,644,193.20 and 647,567.92

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Solution

The fourth proportional to 1,191,432.28, 1,644,193.20 and 647,567.92 is: 893,652.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,432.28 : 1,644,193.20 = 647,567.92 : x
  2. Step 2: Convert to fraction form
    1,191,432.28/1,644,193.20 = 647,567.92/x
  3. Step 3: Cross multiply
    1,191,432.28x = 1,644,193.20 × 647,567.92
  4. Step 4: Simplify right side
    1,191,432.28x = 1,064,726,770,602.14
  5. Step 5: Solve for x
    x = 1,064,726,770,602.14/1,191,432.28
  6. Step 6: Final answer
    x = 893,652.78

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Double scale
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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.