Home / 827,759.70-1,241,639.55-575,817.30

Finding the Fourth Proportional to 827,759.70, 1,241,639.55 and 575,817.30

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Solution

The fourth proportional to 827,759.70, 1,241,639.55 and 575,817.30 is: 863,725.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,759.70 : 1,241,639.55 = 575,817.30 : x
  2. Step 2: Convert to fraction form
    827,759.70/1,241,639.55 = 575,817.30/x
  3. Step 3: Cross multiply
    827,759.70x = 1,241,639.55 × 575,817.30
  4. Step 4: Simplify right side
    827,759.70x = 714,957,533,254.22
  5. Step 5: Solve for x
    x = 714,957,533,254.22/827,759.70
  6. Step 6: Final answer
    x = 863,725.95

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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.