Home / 1,276,451.76-1,761,473.10-695,693.28

Finding the Fourth Proportional to 1,276,451.76, 1,761,473.10 and 695,693.28

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Solution

The fourth proportional to 1,276,451.76, 1,761,473.10 and 695,693.28 is: 960,040.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,451.76 : 1,761,473.10 = 695,693.28 : x
  2. Step 2: Convert to fraction form
    1,276,451.76/1,761,473.10 = 695,693.28/x
  3. Step 3: Cross multiply
    1,276,451.76x = 1,761,473.10 × 695,693.28
  4. Step 4: Simplify right side
    1,276,451.76x = 1,225,444,998,570.77
  5. Step 5: Solve for x
    x = 1,225,444,998,570.77/1,276,451.76
  6. Step 6: Final answer
    x = 960,040.20

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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.