Home / 924,788.80-1,387,183.20-293,766.40

Finding the Fourth Proportional to 924,788.80, 1,387,183.20 and 293,766.40

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Solution

The fourth proportional to 924,788.80, 1,387,183.20 and 293,766.40 is: 440,649.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,788.80 : 1,387,183.20 = 293,766.40 : x
  2. Step 2: Convert to fraction form
    924,788.80/1,387,183.20 = 293,766.40/x
  3. Step 3: Cross multiply
    924,788.80x = 1,387,183.20 × 293,766.40
  4. Step 4: Simplify right side
    924,788.80x = 407,507,814,804.48
  5. Step 5: Solve for x
    x = 407,507,814,804.48/924,788.80
  6. Step 6: Final answer
    x = 440,649.60

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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.