Home / 769,566.20-1,154,349.29-208,600.70

Finding the Fourth Proportional to 769,566.20, 1,154,349.29 and 208,600.70

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Solution

The fourth proportional to 769,566.20, 1,154,349.29 and 208,600.70 is: 312,901.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,566.20 : 1,154,349.29 = 208,600.70 : x
  2. Step 2: Convert to fraction form
    769,566.20/1,154,349.29 = 208,600.70/x
  3. Step 3: Cross multiply
    769,566.20x = 1,154,349.29 × 208,600.70
  4. Step 4: Simplify right side
    769,566.20x = 240,798,064,688.26
  5. Step 5: Solve for x
    x = 240,798,064,688.26/769,566.20
  6. Step 6: Final answer
    x = 312,901.04

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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.