Home / 926,343.16-1,278,959.70-712,600.36

Finding the Fourth Proportional to 926,343.16, 1,278,959.70 and 712,600.36

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Solution

The fourth proportional to 926,343.16, 1,278,959.70 and 712,600.36 is: 983,854.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,343.16 : 1,278,959.70 = 712,600.36 : x
  2. Step 2: Convert to fraction form
    926,343.16/1,278,959.70 = 712,600.36/x
  3. Step 3: Cross multiply
    926,343.16x = 1,278,959.70 × 712,600.36
  4. Step 4: Simplify right side
    926,343.16x = 911,387,142,645.49
  5. Step 5: Solve for x
    x = 911,387,142,645.49/926,343.16
  6. Step 6: Final answer
    x = 983,854.78

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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.