Home / 689,799.92-1,041,178.68-689,799.92

Finding the Fourth Proportional to 689,799.92, 1,041,178.68 and 689,799.92

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Solution

The fourth proportional to 689,799.92, 1,041,178.68 and 689,799.92 is: 1,041,178.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,799.92 : 1,041,178.68 = 689,799.92 : x
  2. Step 2: Convert to fraction form
    689,799.92/1,041,178.68 = 689,799.92/x
  3. Step 3: Cross multiply
    689,799.92x = 1,041,178.68 × 689,799.92
  4. Step 4: Simplify right side
    689,799.92x = 718,204,964,963.81
  5. Step 5: Solve for x
    x = 718,204,964,963.81/689,799.92
  6. Step 6: Final answer
    x = 1,041,178.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.