Home / 962,768.64-1,328,634.72-554,645.28

Finding the Fourth Proportional to 962,768.64, 1,328,634.72 and 554,645.28

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Solution

The fourth proportional to 962,768.64, 1,328,634.72 and 554,645.28 is: 765,418.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,768.64 : 1,328,634.72 = 554,645.28 : x
  2. Step 2: Convert to fraction form
    962,768.64/1,328,634.72 = 554,645.28/x
  3. Step 3: Cross multiply
    962,768.64x = 1,328,634.72 × 554,645.28
  4. Step 4: Simplify right side
    962,768.64x = 736,920,976,292.12
  5. Step 5: Solve for x
    x = 736,920,976,292.12/962,768.64
  6. Step 6: Final answer
    x = 765,418.55

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Double scale
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1.5x scale

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.