Home / 739,069.20-1,108,603.80-619,494.98

Finding the Fourth Proportional to 739,069.20, 1,108,603.80 and 619,494.98

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Solution

The fourth proportional to 739,069.20, 1,108,603.80 and 619,494.98 is: 929,242.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,069.20 : 1,108,603.80 = 619,494.98 : x
  2. Step 2: Convert to fraction form
    739,069.20/1,108,603.80 = 619,494.98/x
  3. Step 3: Cross multiply
    739,069.20x = 1,108,603.80 × 619,494.98
  4. Step 4: Simplify right side
    739,069.20x = 686,774,483,365.91
  5. Step 5: Solve for x
    x = 686,774,483,365.91/739,069.20
  6. Step 6: Final answer
    x = 929,242.46

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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.