Home / 931,149.42-1,396,162.80-607,178.18

Finding the Fourth Proportional to 931,149.42, 1,396,162.80 and 607,178.18

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Solution

The fourth proportional to 931,149.42, 1,396,162.80 and 607,178.18 is: 910,401.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,149.42 : 1,396,162.80 = 607,178.18 : x
  2. Step 2: Convert to fraction form
    931,149.42/1,396,162.80 = 607,178.18/x
  3. Step 3: Cross multiply
    931,149.42x = 1,396,162.80 × 607,178.18
  4. Step 4: Simplify right side
    931,149.42x = 847,719,580,906.89
  5. Step 5: Solve for x
    x = 847,719,580,906.89/931,149.42
  6. Step 6: Final answer
    x = 910,401.23

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Double scale
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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.