Home / 517,029.20-776,175.60-292,545.80

Finding the Fourth Proportional to 517,029.20, 776,175.60 and 292,545.80

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Solution

The fourth proportional to 517,029.20, 776,175.60 and 292,545.80 is: 439,176.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,029.20 : 776,175.60 = 292,545.80 : x
  2. Step 2: Convert to fraction form
    517,029.20/776,175.60 = 292,545.80/x
  3. Step 3: Cross multiply
    517,029.20x = 776,175.60 × 292,545.80
  4. Step 4: Simplify right side
    517,029.20x = 227,066,911,842.48
  5. Step 5: Solve for x
    x = 227,066,911,842.48/517,029.20
  6. Step 6: Final answer
    x = 439,176.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.