Home / 782,040.30-1,173,060.45-249,600.30

Finding the Fourth Proportional to 782,040.30, 1,173,060.45 and 249,600.30

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Solution

The fourth proportional to 782,040.30, 1,173,060.45 and 249,600.30 is: 374,400.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,040.30 : 1,173,060.45 = 249,600.30 : x
  2. Step 2: Convert to fraction form
    782,040.30/1,173,060.45 = 249,600.30/x
  3. Step 3: Cross multiply
    782,040.30x = 1,173,060.45 × 249,600.30
  4. Step 4: Simplify right side
    782,040.30x = 292,796,240,238.14
  5. Step 5: Solve for x
    x = 292,796,240,238.14/782,040.30
  6. Step 6: Final answer
    x = 374,400.45

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Double scale
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Similar ratio
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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.