Home / 711,712-1,067,720.24-262,434.08

Finding the Fourth Proportional to 711,712, 1,067,720.24 and 262,434.08

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Solution

The fourth proportional to 711,712, 1,067,720.24 and 262,434.08 is: 393,707.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,712 : 1,067,720.24 = 262,434.08 : x
  2. Step 2: Convert to fraction form
    711,712/1,067,720.24 = 262,434.08/x
  3. Step 3: Cross multiply
    711,712x = 1,067,720.24 × 262,434.08
  4. Step 4: Simplify right side
    711,712x = 280,206,178,881.78
  5. Step 5: Solve for x
    x = 280,206,178,881.78/711,712
  6. Step 6: Final answer
    x = 393,707.26

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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.