Home / 822,611.70-1,234,306.35-349,701.30

Finding the Fourth Proportional to 822,611.70, 1,234,306.35 and 349,701.30

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Solution

The fourth proportional to 822,611.70, 1,234,306.35 and 349,701.30 is: 524,717.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,611.70 : 1,234,306.35 = 349,701.30 : x
  2. Step 2: Convert to fraction form
    822,611.70/1,234,306.35 = 349,701.30/x
  3. Step 3: Cross multiply
    822,611.70x = 1,234,306.35 × 349,701.30
  4. Step 4: Simplify right side
    822,611.70x = 431,638,535,193.26
  5. Step 5: Solve for x
    x = 431,638,535,193.26/822,611.70
  6. Step 6: Final answer
    x = 524,717.23

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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.