Home / 984,264.08-1,358,187.28-554,620.64

Finding the Fourth Proportional to 984,264.08, 1,358,187.28 and 554,620.64

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Solution

The fourth proportional to 984,264.08, 1,358,187.28 and 554,620.64 is: 765,321.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,264.08 : 1,358,187.28 = 554,620.64 : x
  2. Step 2: Convert to fraction form
    984,264.08/1,358,187.28 = 554,620.64/x
  3. Step 3: Cross multiply
    984,264.08x = 1,358,187.28 × 554,620.64
  4. Step 4: Simplify right side
    984,264.08x = 753,278,698,473.46
  5. Step 5: Solve for x
    x = 753,278,698,473.46/984,264.08
  6. Step 6: Final answer
    x = 765,321.74

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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.