Home / 684,440.62-944,534.33-378,501.19

Finding the Fourth Proportional to 684,440.62, 944,534.33 and 378,501.19

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Solution

The fourth proportional to 684,440.62, 944,534.33 and 378,501.19 is: 522,335.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,440.62 : 944,534.33 = 378,501.19 : x
  2. Step 2: Convert to fraction form
    684,440.62/944,534.33 = 378,501.19/x
  3. Step 3: Cross multiply
    684,440.62x = 944,534.33 × 378,501.19
  4. Step 4: Simplify right side
    684,440.62x = 357,507,367,900.85
  5. Step 5: Solve for x
    x = 357,507,367,900.85/684,440.62
  6. Step 6: Final answer
    x = 522,335.11

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Double scale
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Similar ratio
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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.