Home / 1,403,358.59-1,937,132.51-830,397.39

Finding the Fourth Proportional to 1,403,358.59, 1,937,132.51 and 830,397.39

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Solution

The fourth proportional to 1,403,358.59, 1,937,132.51 and 830,397.39 is: 1,146,242.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,358.59 : 1,937,132.51 = 830,397.39 : x
  2. Step 2: Convert to fraction form
    1,403,358.59/1,937,132.51 = 830,397.39/x
  3. Step 3: Cross multiply
    1,403,358.59x = 1,937,132.51 × 830,397.39
  4. Step 4: Simplify right side
    1,403,358.59x = 1,608,589,776,236.16
  5. Step 5: Solve for x
    x = 1,608,589,776,236.16/1,403,358.59
  6. Step 6: Final answer
    x = 1,146,242.87

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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.