Home / 986,351.76-1,361,160.12-556,771.56

Finding the Fourth Proportional to 986,351.76, 1,361,160.12 and 556,771.56

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Solution

The fourth proportional to 986,351.76, 1,361,160.12 and 556,771.56 is: 768,341.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,351.76 : 1,361,160.12 = 556,771.56 : x
  2. Step 2: Convert to fraction form
    986,351.76/1,361,160.12 = 556,771.56/x
  3. Step 3: Cross multiply
    986,351.76x = 1,361,160.12 × 556,771.56
  4. Step 4: Simplify right side
    986,351.76x = 757,855,243,422.19
  5. Step 5: Solve for x
    x = 757,855,243,422.19/986,351.76
  6. Step 6: Final answer
    x = 768,341.76

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Double scale
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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.