Home / 859,344.32-1,185,928.82-587,981.36

Finding the Fourth Proportional to 859,344.32, 1,185,928.82 and 587,981.36

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Solution

The fourth proportional to 859,344.32, 1,185,928.82 and 587,981.36 is: 811,437.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,344.32 : 1,185,928.82 = 587,981.36 : x
  2. Step 2: Convert to fraction form
    859,344.32/1,185,928.82 = 587,981.36/x
  3. Step 3: Cross multiply
    859,344.32x = 1,185,928.82 × 587,981.36
  4. Step 4: Simplify right side
    859,344.32x = 697,304,031,577.24
  5. Step 5: Solve for x
    x = 697,304,031,577.24/859,344.32
  6. Step 6: Final answer
    x = 811,437.30

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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.