Home / 784,939.14-1,083,126.60-440,729.01

Finding the Fourth Proportional to 784,939.14, 1,083,126.60 and 440,729.01

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Solution

The fourth proportional to 784,939.14, 1,083,126.60 and 440,729.01 is: 608,155.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,939.14 : 1,083,126.60 = 440,729.01 : x
  2. Step 2: Convert to fraction form
    784,939.14/1,083,126.60 = 440,729.01/x
  3. Step 3: Cross multiply
    784,939.14x = 1,083,126.60 × 440,729.01
  4. Step 4: Simplify right side
    784,939.14x = 477,365,314,122.67
  5. Step 5: Solve for x
    x = 477,365,314,122.67/784,939.14
  6. Step 6: Final answer
    x = 608,155.83

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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.