Home / 924,144.66-1,274,613.57-638,143.38

Finding the Fourth Proportional to 924,144.66, 1,274,613.57 and 638,143.38

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Solution

The fourth proportional to 924,144.66, 1,274,613.57 and 638,143.38 is: 880,150.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,144.66 : 1,274,613.57 = 638,143.38 : x
  2. Step 2: Convert to fraction form
    924,144.66/1,274,613.57 = 638,143.38/x
  3. Step 3: Cross multiply
    924,144.66x = 1,274,613.57 × 638,143.38
  4. Step 4: Simplify right side
    924,144.66x = 813,386,211,753.67
  5. Step 5: Solve for x
    x = 813,386,211,753.67/924,144.66
  6. Step 6: Final answer
    x = 880,150.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.