Home / 410,778.05-615,630.27-297,307.92

Finding the Fourth Proportional to 410,778.05, 615,630.27 and 297,307.92

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Solution

The fourth proportional to 410,778.05, 615,630.27 and 297,307.92 is: 445,573.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,778.05 : 615,630.27 = 297,307.92 : x
  2. Step 2: Convert to fraction form
    410,778.05/615,630.27 = 297,307.92/x
  3. Step 3: Cross multiply
    410,778.05x = 615,630.27 × 297,307.92
  4. Step 4: Simplify right side
    410,778.05x = 183,031,755,062.74
  5. Step 5: Solve for x
    x = 183,031,755,062.74/410,778.05
  6. Step 6: Final answer
    x = 445,573.36

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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.