Home / 983,140.38-1,356,009.38-741,433.14

Finding the Fourth Proportional to 983,140.38, 1,356,009.38 and 741,433.14

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Solution

The fourth proportional to 983,140.38, 1,356,009.38 and 741,433.14 is: 1,022,631.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,140.38 : 1,356,009.38 = 741,433.14 : x
  2. Step 2: Convert to fraction form
    983,140.38/1,356,009.38 = 741,433.14/x
  3. Step 3: Cross multiply
    983,140.38x = 1,356,009.38 × 741,433.14
  4. Step 4: Simplify right side
    983,140.38x = 1,005,390,292,482.85
  5. Step 5: Solve for x
    x = 1,005,390,292,482.85/983,140.38
  6. Step 6: Final answer
    x = 1,022,631.47

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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.