Home / 784,686.40-1,177,029.60-737,447.20

Finding the Fourth Proportional to 784,686.40, 1,177,029.60 and 737,447.20

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Solution

The fourth proportional to 784,686.40, 1,177,029.60 and 737,447.20 is: 1,106,170.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,686.40 : 1,177,029.60 = 737,447.20 : x
  2. Step 2: Convert to fraction form
    784,686.40/1,177,029.60 = 737,447.20/x
  3. Step 3: Cross multiply
    784,686.40x = 1,177,029.60 × 737,447.20
  4. Step 4: Simplify right side
    784,686.40x = 867,997,182,837.12
  5. Step 5: Solve for x
    x = 867,997,182,837.12/784,686.40
  6. Step 6: Final answer
    x = 1,106,170.80

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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.