Home / 677,944.81-935,561.28-372,026.32

Finding the Fourth Proportional to 677,944.81, 935,561.28 and 372,026.32

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Solution

The fourth proportional to 677,944.81, 935,561.28 and 372,026.32 is: 513,394.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,944.81 : 935,561.28 = 372,026.32 : x
  2. Step 2: Convert to fraction form
    677,944.81/935,561.28 = 372,026.32/x
  3. Step 3: Cross multiply
    677,944.81x = 935,561.28 × 372,026.32
  4. Step 4: Simplify right side
    677,944.81x = 348,053,420,132.89
  5. Step 5: Solve for x
    x = 348,053,420,132.89/677,944.81
  6. Step 6: Final answer
    x = 513,394.92

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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.