Home / 749,205.18-1,033,019.73-605,520.90

Finding the Fourth Proportional to 749,205.18, 1,033,019.73 and 605,520.90

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Solution

The fourth proportional to 749,205.18, 1,033,019.73 and 605,520.90 is: 834,904.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,205.18 : 1,033,019.73 = 605,520.90 : x
  2. Step 2: Convert to fraction form
    749,205.18/1,033,019.73 = 605,520.90/x
  3. Step 3: Cross multiply
    749,205.18x = 1,033,019.73 × 605,520.90
  4. Step 4: Simplify right side
    749,205.18x = 625,515,036,627.36
  5. Step 5: Solve for x
    x = 625,515,036,627.36/749,205.18
  6. Step 6: Final answer
    x = 834,904.85

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Double scale
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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.