Home / 1,112,930.32-1,671,755.88-1,048,143.28

Finding the Fourth Proportional to 1,112,930.32, 1,671,755.88 and 1,048,143.28

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Solution

The fourth proportional to 1,112,930.32, 1,671,755.88 and 1,048,143.28 is: 1,574,437.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,930.32 : 1,671,755.88 = 1,048,143.28 : x
  2. Step 2: Convert to fraction form
    1,112,930.32/1,671,755.88 = 1,048,143.28/x
  3. Step 3: Cross multiply
    1,112,930.32x = 1,671,755.88 × 1,048,143.28
  4. Step 4: Simplify right side
    1,112,930.32x = 1,752,239,691,422.49
  5. Step 5: Solve for x
    x = 1,752,239,691,422.49/1,112,930.32
  6. Step 6: Final answer
    x = 1,574,437.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.