Home / 677,304.73-934,681.85-375,498.73

Finding the Fourth Proportional to 677,304.73, 934,681.85 and 375,498.73

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Solution

The fourth proportional to 677,304.73, 934,681.85 and 375,498.73 is: 518,188.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,304.73 : 934,681.85 = 375,498.73 : x
  2. Step 2: Convert to fraction form
    677,304.73/934,681.85 = 375,498.73/x
  3. Step 3: Cross multiply
    677,304.73x = 934,681.85 × 375,498.73
  4. Step 4: Simplify right side
    677,304.73x = 350,971,847,629.05
  5. Step 5: Solve for x
    x = 350,971,847,629.05/677,304.73
  6. Step 6: Final answer
    x = 518,188.98

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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.