Home / 840,720.45-1,160,352.41-526,537.85

Finding the Fourth Proportional to 840,720.45, 1,160,352.41 and 526,537.85

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Solution

The fourth proportional to 840,720.45, 1,160,352.41 and 526,537.85 is: 726,721.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,720.45 : 1,160,352.41 = 526,537.85 : x
  2. Step 2: Convert to fraction form
    840,720.45/1,160,352.41 = 526,537.85/x
  3. Step 3: Cross multiply
    840,720.45x = 1,160,352.41 × 526,537.85
  4. Step 4: Simplify right side
    840,720.45x = 610,969,454,769.27
  5. Step 5: Solve for x
    x = 610,969,454,769.27/840,720.45
  6. Step 6: Final answer
    x = 726,721.30

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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.