Home / 881,207.60-1,321,811.40-460,612.40

Finding the Fourth Proportional to 881,207.60, 1,321,811.40 and 460,612.40

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Solution

The fourth proportional to 881,207.60, 1,321,811.40 and 460,612.40 is: 690,918.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,207.60 : 1,321,811.40 = 460,612.40 : x
  2. Step 2: Convert to fraction form
    881,207.60/1,321,811.40 = 460,612.40/x
  3. Step 3: Cross multiply
    881,207.60x = 1,321,811.40 × 460,612.40
  4. Step 4: Simplify right side
    881,207.60x = 608,842,721,301.36
  5. Step 5: Solve for x
    x = 608,842,721,301.36/881,207.60
  6. Step 6: Final answer
    x = 690,918.60

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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.