Home / 1,285,210.35-1,773,560.10-712,238.22

Finding the Fourth Proportional to 1,285,210.35, 1,773,560.10 and 712,238.22

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Solution

The fourth proportional to 1,285,210.35, 1,773,560.10 and 712,238.22 is: 982,872.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,210.35 : 1,773,560.10 = 712,238.22 : x
  2. Step 2: Convert to fraction form
    1,285,210.35/1,773,560.10 = 712,238.22/x
  3. Step 3: Cross multiply
    1,285,210.35x = 1,773,560.10 × 712,238.22
  4. Step 4: Simplify right side
    1,285,210.35x = 1,263,197,288,687.02
  5. Step 5: Solve for x
    x = 1,263,197,288,687.02/1,285,210.35
  6. Step 6: Final answer
    x = 982,872.02

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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.