Home / 677,305.74-934,683.22-375,499.74

Finding the Fourth Proportional to 677,305.74, 934,683.22 and 375,499.74

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Solution

The fourth proportional to 677,305.74, 934,683.22 and 375,499.74 is: 518,190.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,305.74 : 934,683.22 = 375,499.74 : x
  2. Step 2: Convert to fraction form
    677,305.74/934,683.22 = 375,499.74/x
  3. Step 3: Cross multiply
    677,305.74x = 934,683.22 × 375,499.74
  4. Step 4: Simplify right side
    677,305.74x = 350,973,306,092.36
  5. Step 5: Solve for x
    x = 350,973,306,092.36/677,305.74
  6. Step 6: Final answer
    x = 518,190.36

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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.