Home / 1,112,367.66-1,535,146.02-628,937.52

Finding the Fourth Proportional to 1,112,367.66, 1,535,146.02 and 628,937.52

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Solution

The fourth proportional to 1,112,367.66, 1,535,146.02 and 628,937.52 is: 867,978.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,367.66 : 1,535,146.02 = 628,937.52 : x
  2. Step 2: Convert to fraction form
    1,112,367.66/1,535,146.02 = 628,937.52/x
  3. Step 3: Cross multiply
    1,112,367.66x = 1,535,146.02 × 628,937.52
  4. Step 4: Simplify right side
    1,112,367.66x = 965,510,930,656.67
  5. Step 5: Solve for x
    x = 965,510,930,656.67/1,112,367.66
  6. Step 6: Final answer
    x = 867,978.25

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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.