Home / 563,225.40-845,081.10-326,770.20

Finding the Fourth Proportional to 563,225.40, 845,081.10 and 326,770.20

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Solution

The fourth proportional to 563,225.40, 845,081.10 and 326,770.20 is: 490,296.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,225.40 : 845,081.10 = 326,770.20 : x
  2. Step 2: Convert to fraction form
    563,225.40/845,081.10 = 326,770.20/x
  3. Step 3: Cross multiply
    563,225.40x = 845,081.10 × 326,770.20
  4. Step 4: Simplify right side
    563,225.40x = 276,147,320,063.22
  5. Step 5: Solve for x
    x = 276,147,320,063.22/563,225.40
  6. Step 6: Final answer
    x = 490,296.28

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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.