Home / 926,864.24-1,278,966.93-518,909.36

Finding the Fourth Proportional to 926,864.24, 1,278,966.93 and 518,909.36

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Solution

The fourth proportional to 926,864.24, 1,278,966.93 and 518,909.36 is: 716,035.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,864.24 : 1,278,966.93 = 518,909.36 : x
  2. Step 2: Convert to fraction form
    926,864.24/1,278,966.93 = 518,909.36/x
  3. Step 3: Cross multiply
    926,864.24x = 1,278,966.93 × 518,909.36
  4. Step 4: Simplify right side
    926,864.24x = 663,667,911,107.47
  5. Step 5: Solve for x
    x = 663,667,911,107.47/926,864.24
  6. Step 6: Final answer
    x = 716,035.73

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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.