Home / 1,276,389.66-1,761,385.23-695,627.70

Finding the Fourth Proportional to 1,276,389.66, 1,761,385.23 and 695,627.70

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Solution

The fourth proportional to 1,276,389.66, 1,761,385.23 and 695,627.70 is: 959,948.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,389.66 : 1,761,385.23 = 695,627.70 : x
  2. Step 2: Convert to fraction form
    1,276,389.66/1,761,385.23 = 695,627.70/x
  3. Step 3: Cross multiply
    1,276,389.66x = 1,761,385.23 × 695,627.70
  4. Step 4: Simplify right side
    1,276,389.66x = 1,225,268,356,358.87
  5. Step 5: Solve for x
    x = 1,225,268,356,358.87/1,276,389.66
  6. Step 6: Final answer
    x = 959,948.51

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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.