Home / 891,064.10-1,336,596.15-418,672.10

Finding the Fourth Proportional to 891,064.10, 1,336,596.15 and 418,672.10

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Solution

The fourth proportional to 891,064.10, 1,336,596.15 and 418,672.10 is: 628,008.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,064.10 : 1,336,596.15 = 418,672.10 : x
  2. Step 2: Convert to fraction form
    891,064.10/1,336,596.15 = 418,672.10/x
  3. Step 3: Cross multiply
    891,064.10x = 1,336,596.15 × 418,672.10
  4. Step 4: Simplify right side
    891,064.10x = 559,595,516,972.42
  5. Step 5: Solve for x
    x = 559,595,516,972.42/891,064.10
  6. Step 6: Final answer
    x = 628,008.15

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Half scale
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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.