Home / 1,200,352.11-1,656,462.71-656,486.22

Finding the Fourth Proportional to 1,200,352.11, 1,656,462.71 and 656,486.22

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Solution

The fourth proportional to 1,200,352.11, 1,656,462.71 and 656,486.22 is: 905,938.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,352.11 : 1,656,462.71 = 656,486.22 : x
  2. Step 2: Convert to fraction form
    1,200,352.11/1,656,462.71 = 656,486.22/x
  3. Step 3: Cross multiply
    1,200,352.11x = 1,656,462.71 × 656,486.22
  4. Step 4: Simplify right side
    1,200,352.11x = 1,087,444,937,901.47
  5. Step 5: Solve for x
    x = 1,087,444,937,901.47/1,200,352.11
  6. Step 6: Final answer
    x = 905,938.29

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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.