Home / 1,407,275.40-1,941,013.77-891,113.33

Finding the Fourth Proportional to 1,407,275.40, 1,941,013.77 and 891,113.33

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Solution

The fourth proportional to 1,407,275.40, 1,941,013.77 and 891,113.33 is: 1,229,086.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,275.40 : 1,941,013.77 = 891,113.33 : x
  2. Step 2: Convert to fraction form
    1,407,275.40/1,941,013.77 = 891,113.33/x
  3. Step 3: Cross multiply
    1,407,275.40x = 1,941,013.77 × 891,113.33
  4. Step 4: Simplify right side
    1,407,275.40x = 1,729,663,245,671.41
  5. Step 5: Solve for x
    x = 1,729,663,245,671.41/1,407,275.40
  6. Step 6: Final answer
    x = 1,229,086.53

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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.