Home / 649,279.20-973,918.80-176,023.20

Finding the Fourth Proportional to 649,279.20, 973,918.80 and 176,023.20

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Solution

The fourth proportional to 649,279.20, 973,918.80 and 176,023.20 is: 264,034.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,279.20 : 973,918.80 = 176,023.20 : x
  2. Step 2: Convert to fraction form
    649,279.20/973,918.80 = 176,023.20/x
  3. Step 3: Cross multiply
    649,279.20x = 973,918.80 × 176,023.20
  4. Step 4: Simplify right side
    649,279.20x = 171,432,303,716.16
  5. Step 5: Solve for x
    x = 171,432,303,716.16/649,279.20
  6. Step 6: Final answer
    x = 264,034.80

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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.