Home / 1,115,757.52-1,539,686.33-632,328.46

Finding the Fourth Proportional to 1,115,757.52, 1,539,686.33 and 632,328.46

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Solution

The fourth proportional to 1,115,757.52, 1,539,686.33 and 632,328.46 is: 872,579.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,757.52 : 1,539,686.33 = 632,328.46 : x
  2. Step 2: Convert to fraction form
    1,115,757.52/1,539,686.33 = 632,328.46/x
  3. Step 3: Cross multiply
    1,115,757.52x = 1,539,686.33 × 632,328.46
  4. Step 4: Simplify right side
    1,115,757.52x = 973,587,485,931.95
  5. Step 5: Solve for x
    x = 973,587,485,931.95/1,115,757.52
  6. Step 6: Final answer
    x = 872,579.81

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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.