Home / 899,321.24-1,240,475.64-576,520.04

Finding the Fourth Proportional to 899,321.24, 1,240,475.64 and 576,520.04

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Solution

The fourth proportional to 899,321.24, 1,240,475.64 and 576,520.04 is: 795,220.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,321.24 : 1,240,475.64 = 576,520.04 : x
  2. Step 2: Convert to fraction form
    899,321.24/1,240,475.64 = 576,520.04/x
  3. Step 3: Cross multiply
    899,321.24x = 1,240,475.64 × 576,520.04
  4. Step 4: Simplify right side
    899,321.24x = 715,159,065,591.83
  5. Step 5: Solve for x
    x = 715,159,065,591.83/899,321.24
  6. Step 6: Final answer
    x = 795,220.92

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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.