Home / 926,261.28-1,278,151.80-518,342.04

Finding the Fourth Proportional to 926,261.28, 1,278,151.80 and 518,342.04

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Solution

The fourth proportional to 926,261.28, 1,278,151.80 and 518,342.04 is: 715,262.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,261.28 : 1,278,151.80 = 518,342.04 : x
  2. Step 2: Convert to fraction form
    926,261.28/1,278,151.80 = 518,342.04/x
  3. Step 3: Cross multiply
    926,261.28x = 1,278,151.80 × 518,342.04
  4. Step 4: Simplify right side
    926,261.28x = 662,519,811,441.67
  5. Step 5: Solve for x
    x = 662,519,811,441.67/926,261.28
  6. Step 6: Final answer
    x = 715,262.34

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Double scale
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1.5x scale

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.