Home / 683,730.12-1,025,595.90-178,290.66

Finding the Fourth Proportional to 683,730.12, 1,025,595.90 and 178,290.66

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Solution

The fourth proportional to 683,730.12, 1,025,595.90 and 178,290.66 is: 267,436.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,730.12 : 1,025,595.90 = 178,290.66 : x
  2. Step 2: Convert to fraction form
    683,730.12/1,025,595.90 = 178,290.66/x
  3. Step 3: Cross multiply
    683,730.12x = 1,025,595.90 × 178,290.66
  4. Step 4: Simplify right side
    683,730.12x = 182,854,169,904.29
  5. Step 5: Solve for x
    x = 182,854,169,904.29/683,730.12
  6. Step 6: Final answer
    x = 267,436.18

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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.