Home / 986,353.76-1,361,162.88-556,773.56

Finding the Fourth Proportional to 986,353.76, 1,361,162.88 and 556,773.56

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Solution

The fourth proportional to 986,353.76, 1,361,162.88 and 556,773.56 is: 768,344.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,353.76 : 1,361,162.88 = 556,773.56 : x
  2. Step 2: Convert to fraction form
    986,353.76/1,361,162.88 = 556,773.56/x
  3. Step 3: Cross multiply
    986,353.76x = 1,361,162.88 × 556,773.56
  4. Step 4: Simplify right side
    986,353.76x = 757,859,502,437.45
  5. Step 5: Solve for x
    x = 757,859,502,437.45/986,353.76
  6. Step 6: Final answer
    x = 768,344.52

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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.