Home / 916,107.20-1,372,087.20-542,859.20

Finding the Fourth Proportional to 916,107.20, 1,372,087.20 and 542,859.20

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Solution

The fourth proportional to 916,107.20, 1,372,087.20 and 542,859.20 is: 813,060.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,107.20 : 1,372,087.20 = 542,859.20 : x
  2. Step 2: Convert to fraction form
    916,107.20/1,372,087.20 = 542,859.20/x
  3. Step 3: Cross multiply
    916,107.20x = 1,372,087.20 × 542,859.20
  4. Step 4: Simplify right side
    916,107.20x = 744,850,159,722.24
  5. Step 5: Solve for x
    x = 744,850,159,722.24/916,107.20
  6. Step 6: Final answer
    x = 813,060.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.