Home / 866,823.12-1,299,151.71-417,460.50

Finding the Fourth Proportional to 866,823.12, 1,299,151.71 and 417,460.50

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Solution

The fourth proportional to 866,823.12, 1,299,151.71 and 417,460.50 is: 625,669.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,823.12 : 1,299,151.71 = 417,460.50 : x
  2. Step 2: Convert to fraction form
    866,823.12/1,299,151.71 = 417,460.50/x
  3. Step 3: Cross multiply
    866,823.12x = 1,299,151.71 × 417,460.50
  4. Step 4: Simplify right side
    866,823.12x = 542,344,522,432.46
  5. Step 5: Solve for x
    x = 542,344,522,432.46/866,823.12
  6. Step 6: Final answer
    x = 625,669.19

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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.