Home / 1,059,520.28-1,462,678.91-717,165.48

Finding the Fourth Proportional to 1,059,520.28, 1,462,678.91 and 717,165.48

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Solution

The fourth proportional to 1,059,520.28, 1,462,678.91 and 717,165.48 is: 990,054.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,520.28 : 1,462,678.91 = 717,165.48 : x
  2. Step 2: Convert to fraction form
    1,059,520.28/1,462,678.91 = 717,165.48/x
  3. Step 3: Cross multiply
    1,059,520.28x = 1,462,678.91 × 717,165.48
  4. Step 4: Simplify right side
    1,059,520.28x = 1,048,982,818,990.20
  5. Step 5: Solve for x
    x = 1,048,982,818,990.20/1,059,520.28
  6. Step 6: Final answer
    x = 990,054.50

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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.