Home / 712,254.18-1,068,436.60-206,823.50

Finding the Fourth Proportional to 712,254.18, 1,068,436.60 and 206,823.50

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Solution

The fourth proportional to 712,254.18, 1,068,436.60 and 206,823.50 is: 310,251.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,254.18 : 1,068,436.60 = 206,823.50 : x
  2. Step 2: Convert to fraction form
    712,254.18/1,068,436.60 = 206,823.50/x
  3. Step 3: Cross multiply
    712,254.18x = 1,068,436.60 × 206,823.50
  4. Step 4: Simplify right side
    712,254.18x = 220,977,797,140.10
  5. Step 5: Solve for x
    x = 220,977,797,140.10/712,254.18
  6. Step 6: Final answer
    x = 310,251.32

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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.