Home / 1,071,375.41-1,478,516.02-587,985.53

Finding the Fourth Proportional to 1,071,375.41, 1,478,516.02 and 587,985.53

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Solution

The fourth proportional to 1,071,375.41, 1,478,516.02 and 587,985.53 is: 811,429.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,375.41 : 1,478,516.02 = 587,985.53 : x
  2. Step 2: Convert to fraction form
    1,071,375.41/1,478,516.02 = 587,985.53/x
  3. Step 3: Cross multiply
    1,071,375.41x = 1,478,516.02 × 587,985.53
  4. Step 4: Simplify right side
    1,071,375.41x = 869,346,016,770.65
  5. Step 5: Solve for x
    x = 869,346,016,770.65/1,071,375.41
  6. Step 6: Final answer
    x = 811,429.87

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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.