Home / 1,112,271.32-1,535,013.11-628,841.05

Finding the Fourth Proportional to 1,112,271.32, 1,535,013.11 and 628,841.05

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Solution

The fourth proportional to 1,112,271.32, 1,535,013.11 and 628,841.05 is: 867,845.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,271.32 : 1,535,013.11 = 628,841.05 : x
  2. Step 2: Convert to fraction form
    1,112,271.32/1,535,013.11 = 628,841.05/x
  3. Step 3: Cross multiply
    1,112,271.32x = 1,535,013.11 × 628,841.05
  4. Step 4: Simplify right side
    1,112,271.32x = 965,279,255,856.17
  5. Step 5: Solve for x
    x = 965,279,255,856.17/1,112,271.32
  6. Step 6: Final answer
    x = 867,845.14

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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.