Home / 977,558.85-1,349,085.11-547,976.97

Finding the Fourth Proportional to 977,558.85, 1,349,085.11 and 547,976.97

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Solution

The fourth proportional to 977,558.85, 1,349,085.11 and 547,976.97 is: 756,238.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,558.85 : 1,349,085.11 = 547,976.97 : x
  2. Step 2: Convert to fraction form
    977,558.85/1,349,085.11 = 547,976.97/x
  3. Step 3: Cross multiply
    977,558.85x = 1,349,085.11 × 547,976.97
  4. Step 4: Simplify right side
    977,558.85x = 739,267,568,110.03
  5. Step 5: Solve for x
    x = 739,267,568,110.03/977,558.85
  6. Step 6: Final answer
    x = 756,238.43

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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.