Home / 759,399.52-1,047,938.16-415,228.96

Finding the Fourth Proportional to 759,399.52, 1,047,938.16 and 415,228.96

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Solution

The fourth proportional to 759,399.52, 1,047,938.16 and 415,228.96 is: 572,997.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,399.52 : 1,047,938.16 = 415,228.96 : x
  2. Step 2: Convert to fraction form
    759,399.52/1,047,938.16 = 415,228.96/x
  3. Step 3: Cross multiply
    759,399.52x = 1,047,938.16 × 415,228.96
  4. Step 4: Simplify right side
    759,399.52x = 435,134,272,321.11
  5. Step 5: Solve for x
    x = 435,134,272,321.11/759,399.52
  6. Step 6: Final answer
    x = 572,997.82

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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.