Home / 1,077,397.58-1,486,943.25-618,655.70

Finding the Fourth Proportional to 1,077,397.58, 1,486,943.25 and 618,655.70

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Solution

The fourth proportional to 1,077,397.58, 1,486,943.25 and 618,655.70 is: 853,822.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,397.58 : 1,486,943.25 = 618,655.70 : x
  2. Step 2: Convert to fraction form
    1,077,397.58/1,486,943.25 = 618,655.70/x
  3. Step 3: Cross multiply
    1,077,397.58x = 1,486,943.25 × 618,655.70
  4. Step 4: Simplify right side
    1,077,397.58x = 919,905,917,189.03
  5. Step 5: Solve for x
    x = 919,905,917,189.03/1,077,397.58
  6. Step 6: Final answer
    x = 853,822.15

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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.