Home / 691,856.70-1,037,785.05-551,888.70

Finding the Fourth Proportional to 691,856.70, 1,037,785.05 and 551,888.70

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Solution

The fourth proportional to 691,856.70, 1,037,785.05 and 551,888.70 is: 827,833.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,856.70 : 1,037,785.05 = 551,888.70 : x
  2. Step 2: Convert to fraction form
    691,856.70/1,037,785.05 = 551,888.70/x
  3. Step 3: Cross multiply
    691,856.70x = 1,037,785.05 × 551,888.70
  4. Step 4: Simplify right side
    691,856.70x = 572,741,842,123.94
  5. Step 5: Solve for x
    x = 572,741,842,123.94/691,856.70
  6. Step 6: Final answer
    x = 827,833.05

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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.