Home / 623,839.20-935,758.80-606,343.20

Finding the Fourth Proportional to 623,839.20, 935,758.80 and 606,343.20

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Solution

The fourth proportional to 623,839.20, 935,758.80 and 606,343.20 is: 909,514.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,839.20 : 935,758.80 = 606,343.20 : x
  2. Step 2: Convert to fraction form
    623,839.20/935,758.80 = 606,343.20/x
  3. Step 3: Cross multiply
    623,839.20x = 935,758.80 × 606,343.20
  4. Step 4: Simplify right side
    623,839.20x = 567,390,985,220.16
  5. Step 5: Solve for x
    x = 567,390,985,220.16/623,839.20
  6. Step 6: Final answer
    x = 909,514.80

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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.