Home / 1,115,496.17-1,539,259.52-631,957.76

Finding the Fourth Proportional to 1,115,496.17, 1,539,259.52 and 631,957.76

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Solution

The fourth proportional to 1,115,496.17, 1,539,259.52 and 631,957.76 is: 872,030.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,496.17 : 1,539,259.52 = 631,957.76 : x
  2. Step 2: Convert to fraction form
    1,115,496.17/1,539,259.52 = 631,957.76/x
  3. Step 3: Cross multiply
    1,115,496.17x = 1,539,259.52 × 631,957.76
  4. Step 4: Simplify right side
    1,115,496.17x = 972,746,992,201.47
  5. Step 5: Solve for x
    x = 972,746,992,201.47/1,115,496.17
  6. Step 6: Final answer
    x = 872,030.78

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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.