Home / 956,105.34-1,319,399.85-526,388.70

Finding the Fourth Proportional to 956,105.34, 1,319,399.85 and 526,388.70

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Solution

The fourth proportional to 956,105.34, 1,319,399.85 and 526,388.70 is: 726,402.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,105.34 : 1,319,399.85 = 526,388.70 : x
  2. Step 2: Convert to fraction form
    956,105.34/1,319,399.85 = 526,388.70/x
  3. Step 3: Cross multiply
    956,105.34x = 1,319,399.85 × 526,388.70
  4. Step 4: Simplify right side
    956,105.34x = 694,517,171,821.70
  5. Step 5: Solve for x
    x = 694,517,171,821.70/956,105.34
  6. Step 6: Final answer
    x = 726,402.36

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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.