Home / 1,078,824.64-1,488,727.56-619,616.20

Finding the Fourth Proportional to 1,078,824.64, 1,488,727.56 and 619,616.20

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Solution

The fourth proportional to 1,078,824.64, 1,488,727.56 and 619,616.20 is: 855,041.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,824.64 : 1,488,727.56 = 619,616.20 : x
  2. Step 2: Convert to fraction form
    1,078,824.64/1,488,727.56 = 619,616.20/x
  3. Step 3: Cross multiply
    1,078,824.64x = 1,488,727.56 × 619,616.20
  4. Step 4: Simplify right side
    1,078,824.64x = 922,439,713,562.47
  5. Step 5: Solve for x
    x = 922,439,713,562.47/1,078,824.64
  6. Step 6: Final answer
    x = 855,041.38

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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.