Home / 935,995.20-1,291,562.30-528,073.24

Finding the Fourth Proportional to 935,995.20, 1,291,562.30 and 528,073.24

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Solution

The fourth proportional to 935,995.20, 1,291,562.30 and 528,073.24 is: 728,678.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,995.20 : 1,291,562.30 = 528,073.24 : x
  2. Step 2: Convert to fraction form
    935,995.20/1,291,562.30 = 528,073.24/x
  3. Step 3: Cross multiply
    935,995.20x = 1,291,562.30 × 528,073.24
  4. Step 4: Simplify right side
    935,995.20x = 682,039,488,422.85
  5. Step 5: Solve for x
    x = 682,039,488,422.85/935,995.20
  6. Step 6: Final answer
    x = 728,678.40

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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.