Home / 787,546.90-1,182,195.15-488,365.30

Finding the Fourth Proportional to 787,546.90, 1,182,195.15 and 488,365.30

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Solution

The fourth proportional to 787,546.90, 1,182,195.15 and 488,365.30 is: 733,090.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,546.90 : 1,182,195.15 = 488,365.30 : x
  2. Step 2: Convert to fraction form
    787,546.90/1,182,195.15 = 488,365.30/x
  3. Step 3: Cross multiply
    787,546.90x = 1,182,195.15 × 488,365.30
  4. Step 4: Simplify right side
    787,546.90x = 577,343,089,088.30
  5. Step 5: Solve for x
    x = 577,343,089,088.30/787,546.90
  6. Step 6: Final answer
    x = 733,090.42

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Double scale
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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.