Home / 866,975.60-1,300,463.40-275,999.60

Finding the Fourth Proportional to 866,975.60, 1,300,463.40 and 275,999.60

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Solution

The fourth proportional to 866,975.60, 1,300,463.40 and 275,999.60 is: 413,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,975.60 : 1,300,463.40 = 275,999.60 : x
  2. Step 2: Convert to fraction form
    866,975.60/1,300,463.40 = 275,999.60/x
  3. Step 3: Cross multiply
    866,975.60x = 1,300,463.40 × 275,999.60
  4. Step 4: Simplify right side
    866,975.60x = 358,927,378,214.64
  5. Step 5: Solve for x
    x = 358,927,378,214.64/866,975.60
  6. Step 6: Final answer
    x = 413,999.40

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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.