Home / 1,028,179.61-1,418,967.75-569,336.88

Finding the Fourth Proportional to 1,028,179.61, 1,418,967.75 and 569,336.88

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Solution

The fourth proportional to 1,028,179.61, 1,418,967.75 and 569,336.88 is: 785,729.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,179.61 : 1,418,967.75 = 569,336.88 : x
  2. Step 2: Convert to fraction form
    1,028,179.61/1,418,967.75 = 569,336.88/x
  3. Step 3: Cross multiply
    1,028,179.61x = 1,418,967.75 × 569,336.88
  4. Step 4: Simplify right side
    1,028,179.61x = 807,870,679,061.76
  5. Step 5: Solve for x
    x = 807,870,679,061.76/1,028,179.61
  6. Step 6: Final answer
    x = 785,729.14

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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.