Home / 806,023.20-1,207,285.20-666,055.20

Finding the Fourth Proportional to 806,023.20, 1,207,285.20 and 666,055.20

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Solution

The fourth proportional to 806,023.20, 1,207,285.20 and 666,055.20 is: 997,637.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,023.20 : 1,207,285.20 = 666,055.20 : x
  2. Step 2: Convert to fraction form
    806,023.20/1,207,285.20 = 666,055.20/x
  3. Step 3: Cross multiply
    806,023.20x = 1,207,285.20 × 666,055.20
  4. Step 4: Simplify right side
    806,023.20x = 804,118,585,343.04
  5. Step 5: Solve for x
    x = 804,118,585,343.04/806,023.20
  6. Step 6: Final answer
    x = 997,637.02

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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.