Home / 864,703.70-1,193,642.82-558,805.27

Finding the Fourth Proportional to 864,703.70, 1,193,642.82 and 558,805.27

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Solution

The fourth proportional to 864,703.70, 1,193,642.82 and 558,805.27 is: 771,378.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,703.70 : 1,193,642.82 = 558,805.27 : x
  2. Step 2: Convert to fraction form
    864,703.70/1,193,642.82 = 558,805.27/x
  3. Step 3: Cross multiply
    864,703.70x = 1,193,642.82 × 558,805.27
  4. Step 4: Simplify right side
    864,703.70x = 667,013,898,313.66
  5. Step 5: Solve for x
    x = 667,013,898,313.66/864,703.70
  6. Step 6: Final answer
    x = 771,378.56

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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.