Home / 691,856.20-1,037,784.30-551,888.20

Finding the Fourth Proportional to 691,856.20, 1,037,784.30 and 551,888.20

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Solution

The fourth proportional to 691,856.20, 1,037,784.30 and 551,888.20 is: 827,832.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,856.20 : 1,037,784.30 = 551,888.20 : x
  2. Step 2: Convert to fraction form
    691,856.20/1,037,784.30 = 551,888.20/x
  3. Step 3: Cross multiply
    691,856.20x = 1,037,784.30 × 551,888.20
  4. Step 4: Simplify right side
    691,856.20x = 572,740,909,315.26
  5. Step 5: Solve for x
    x = 572,740,909,315.26/691,856.20
  6. Step 6: Final answer
    x = 827,832.30

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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.