Home / 677,943.60-935,559.56-372,025.12

Finding the Fourth Proportional to 677,943.60, 935,559.56 and 372,025.12

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Solution

The fourth proportional to 677,943.60, 935,559.56 and 372,025.12 is: 513,393.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,943.60 : 935,559.56 = 372,025.12 : x
  2. Step 2: Convert to fraction form
    677,943.60/935,559.56 = 372,025.12/x
  3. Step 3: Cross multiply
    677,943.60x = 935,559.56 × 372,025.12
  4. Step 4: Simplify right side
    677,943.60x = 348,051,657,576.15
  5. Step 5: Solve for x
    x = 348,051,657,576.15/677,943.60
  6. Step 6: Final answer
    x = 513,393.23

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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.