Home / 1,251,053.38-1,726,455.50-678,093.40

Finding the Fourth Proportional to 1,251,053.38, 1,726,455.50 and 678,093.40

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Solution

The fourth proportional to 1,251,053.38, 1,726,455.50 and 678,093.40 is: 935,769.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,053.38 : 1,726,455.50 = 678,093.40 : x
  2. Step 2: Convert to fraction form
    1,251,053.38/1,726,455.50 = 678,093.40/x
  3. Step 3: Cross multiply
    1,251,053.38x = 1,726,455.50 × 678,093.40
  4. Step 4: Simplify right side
    1,251,053.38x = 1,170,698,079,943.70
  5. Step 5: Solve for x
    x = 1,170,698,079,943.70/1,251,053.38
  6. Step 6: Final answer
    x = 935,769.89

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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.