Home / 1,227,629.87-1,693,542.45-953,823.95

Finding the Fourth Proportional to 1,227,629.87, 1,693,542.45 and 953,823.95

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Solution

The fourth proportional to 1,227,629.87, 1,693,542.45 and 953,823.95 is: 1,315,821.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,629.87 : 1,693,542.45 = 953,823.95 : x
  2. Step 2: Convert to fraction form
    1,227,629.87/1,693,542.45 = 953,823.95/x
  3. Step 3: Cross multiply
    1,227,629.87x = 1,693,542.45 × 953,823.95
  4. Step 4: Simplify right side
    1,227,629.87x = 1,615,341,349,151.68
  5. Step 5: Solve for x
    x = 1,615,341,349,151.68/1,227,629.87
  6. Step 6: Final answer
    x = 1,315,821.15

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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.