Home / 769,098.32-1,152,830.52-453,703.76

Finding the Fourth Proportional to 769,098.32, 1,152,830.52 and 453,703.76

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Solution

The fourth proportional to 769,098.32, 1,152,830.52 and 453,703.76 is: 680,073.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,098.32 : 1,152,830.52 = 453,703.76 : x
  2. Step 2: Convert to fraction form
    769,098.32/1,152,830.52 = 453,703.76/x
  3. Step 3: Cross multiply
    769,098.32x = 1,152,830.52 × 453,703.76
  4. Step 4: Simplify right side
    769,098.32x = 523,043,541,566.76
  5. Step 5: Solve for x
    x = 523,043,541,566.76/769,098.32
  6. Step 6: Final answer
    x = 680,073.70

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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.