Home / 776,483.30-1,164,842.46-243,954.20

Finding the Fourth Proportional to 776,483.30, 1,164,842.46 and 243,954.20

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Solution

The fourth proportional to 776,483.30, 1,164,842.46 and 243,954.20 is: 365,968.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,483.30 : 1,164,842.46 = 243,954.20 : x
  2. Step 2: Convert to fraction form
    776,483.30/1,164,842.46 = 243,954.20/x
  3. Step 3: Cross multiply
    776,483.30x = 1,164,842.46 × 243,954.20
  4. Step 4: Simplify right side
    776,483.30x = 284,168,204,631.12
  5. Step 5: Solve for x
    x = 284,168,204,631.12/776,483.30
  6. Step 6: Final answer
    x = 365,968.21

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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.