Home / 709,778.77-1,063,782.11-354,894.28

Finding the Fourth Proportional to 709,778.77, 1,063,782.11 and 354,894.28

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Solution

The fourth proportional to 709,778.77, 1,063,782.11 and 354,894.28 is: 531,898.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,778.77 : 1,063,782.11 = 354,894.28 : x
  2. Step 2: Convert to fraction form
    709,778.77/1,063,782.11 = 354,894.28/x
  3. Step 3: Cross multiply
    709,778.77x = 1,063,782.11 × 354,894.28
  4. Step 4: Simplify right side
    709,778.77x = 377,530,184,233.11
  5. Step 5: Solve for x
    x = 377,530,184,233.11/709,778.77
  6. Step 6: Final answer
    x = 531,898.39

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.