Home / 1,643,236.12-2,267,277.04-954,498.76

Finding the Fourth Proportional to 1,643,236.12, 2,267,277.04 and 954,498.76

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Solution

The fourth proportional to 1,643,236.12, 2,267,277.04 and 954,498.76 is: 1,316,982.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,236.12 : 2,267,277.04 = 954,498.76 : x
  2. Step 2: Convert to fraction form
    1,643,236.12/2,267,277.04 = 954,498.76/x
  3. Step 3: Cross multiply
    1,643,236.12x = 2,267,277.04 × 954,498.76
  4. Step 4: Simplify right side
    1,643,236.12x = 2,164,113,123,256.47
  5. Step 5: Solve for x
    x = 2,164,113,123,256.47/1,643,236.12
  6. Step 6: Final answer
    x = 1,316,982.45

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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.