Home / 1,253,841.13-1,730,285.58-680,885.38

Finding the Fourth Proportional to 1,253,841.13, 1,730,285.58 and 680,885.38

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Solution

The fourth proportional to 1,253,841.13, 1,730,285.58 and 680,885.38 is: 939,613.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,841.13 : 1,730,285.58 = 680,885.38 : x
  2. Step 2: Convert to fraction form
    1,253,841.13/1,730,285.58 = 680,885.38/x
  3. Step 3: Cross multiply
    1,253,841.13x = 1,730,285.58 × 680,885.38
  4. Step 4: Simplify right side
    1,253,841.13x = 1,178,126,154,646.82
  5. Step 5: Solve for x
    x = 1,178,126,154,646.82/1,253,841.13
  6. Step 6: Final answer
    x = 939,613.58

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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.