Home / 965,392.68-1,332,251.08-535,712.78

Finding the Fourth Proportional to 965,392.68, 1,332,251.08 and 535,712.78

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Solution

The fourth proportional to 965,392.68, 1,332,251.08 and 535,712.78 is: 739,288.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,392.68 : 1,332,251.08 = 535,712.78 : x
  2. Step 2: Convert to fraction form
    965,392.68/1,332,251.08 = 535,712.78/x
  3. Step 3: Cross multiply
    965,392.68x = 1,332,251.08 × 535,712.78
  4. Step 4: Simplify right side
    965,392.68x = 713,703,929,724.80
  5. Step 5: Solve for x
    x = 713,703,929,724.80/965,392.68
  6. Step 6: Final answer
    x = 739,288.73

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1.5x scale

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.