Home / 939,333.76-1,296,402.68-526,027.92

Finding the Fourth Proportional to 939,333.76, 1,296,402.68 and 526,027.92

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Solution

The fourth proportional to 939,333.76, 1,296,402.68 and 526,027.92 is: 725,986.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,333.76 : 1,296,402.68 = 526,027.92 : x
  2. Step 2: Convert to fraction form
    939,333.76/1,296,402.68 = 526,027.92/x
  3. Step 3: Cross multiply
    939,333.76x = 1,296,402.68 × 526,027.92
  4. Step 4: Simplify right side
    939,333.76x = 681,944,005,242.83
  5. Step 5: Solve for x
    x = 681,944,005,242.83/939,333.76
  6. Step 6: Final answer
    x = 725,986.90

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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.