Home / 684,174.20-944,161.52-382,368.20

Finding the Fourth Proportional to 684,174.20, 944,161.52 and 382,368.20

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Solution

The fourth proportional to 684,174.20, 944,161.52 and 382,368.20 is: 527,668.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,174.20 : 944,161.52 = 382,368.20 : x
  2. Step 2: Convert to fraction form
    684,174.20/944,161.52 = 382,368.20/x
  3. Step 3: Cross multiply
    684,174.20x = 944,161.52 × 382,368.20
  4. Step 4: Simplify right side
    684,174.20x = 361,017,334,279.02
  5. Step 5: Solve for x
    x = 361,017,334,279.02/684,174.20
  6. Step 6: Final answer
    x = 527,668.74

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Double scale
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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.