Home / 1,181,638.20-1,773,332.10-472,175.40

Finding the Fourth Proportional to 1,181,638.20, 1,773,332.10 and 472,175.40

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Solution

The fourth proportional to 1,181,638.20, 1,773,332.10 and 472,175.40 is: 708,612.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,638.20 : 1,773,332.10 = 472,175.40 : x
  2. Step 2: Convert to fraction form
    1,181,638.20/1,773,332.10 = 472,175.40/x
  3. Step 3: Cross multiply
    1,181,638.20x = 1,773,332.10 × 472,175.40
  4. Step 4: Simplify right side
    1,181,638.20x = 837,323,793,650.34
  5. Step 5: Solve for x
    x = 837,323,793,650.34/1,181,638.20
  6. Step 6: Final answer
    x = 708,612.66

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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.