Home / 865,679.95-1,298,542.20-410,164.30

Finding the Fourth Proportional to 865,679.95, 1,298,542.20 and 410,164.30

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Solution

The fourth proportional to 865,679.95, 1,298,542.20 and 410,164.30 is: 615,257.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,679.95 : 1,298,542.20 = 410,164.30 : x
  2. Step 2: Convert to fraction form
    865,679.95/1,298,542.20 = 410,164.30/x
  3. Step 3: Cross multiply
    865,679.95x = 1,298,542.20 × 410,164.30
  4. Step 4: Simplify right side
    865,679.95x = 532,615,652,483.46
  5. Step 5: Solve for x
    x = 532,615,652,483.46/865,679.95
  6. Step 6: Final answer
    x = 615,257.00

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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.