Home / 728,760.52-1,093,109.20-249,031.13

Finding the Fourth Proportional to 728,760.52, 1,093,109.20 and 249,031.13

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Solution

The fourth proportional to 728,760.52, 1,093,109.20 and 249,031.13 is: 373,535.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,760.52 : 1,093,109.20 = 249,031.13 : x
  2. Step 2: Convert to fraction form
    728,760.52/1,093,109.20 = 249,031.13/x
  3. Step 3: Cross multiply
    728,760.52x = 1,093,109.20 × 249,031.13
  4. Step 4: Simplify right side
    728,760.52x = 272,218,219,289.40
  5. Step 5: Solve for x
    x = 272,218,219,289.40/728,760.52
  6. Step 6: Final answer
    x = 373,535.90

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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.