Home / 840,200.87-1,159,147.10-517,351.07

Finding the Fourth Proportional to 840,200.87, 1,159,147.10 and 517,351.07

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Solution

The fourth proportional to 840,200.87, 1,159,147.10 and 517,351.07 is: 713,741.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,200.87 : 1,159,147.10 = 517,351.07 : x
  2. Step 2: Convert to fraction form
    840,200.87/1,159,147.10 = 517,351.07/x
  3. Step 3: Cross multiply
    840,200.87x = 1,159,147.10 × 517,351.07
  4. Step 4: Simplify right side
    840,200.87x = 599,685,986,676.66
  5. Step 5: Solve for x
    x = 599,685,986,676.66/840,200.87
  6. Step 6: Final answer
    x = 713,741.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.