Home / 740,201.70-1,110,302.55-266,934.90

Finding the Fourth Proportional to 740,201.70, 1,110,302.55 and 266,934.90

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Solution

The fourth proportional to 740,201.70, 1,110,302.55 and 266,934.90 is: 400,402.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,201.70 : 1,110,302.55 = 266,934.90 : x
  2. Step 2: Convert to fraction form
    740,201.70/1,110,302.55 = 266,934.90/x
  3. Step 3: Cross multiply
    740,201.70x = 1,110,302.55 × 266,934.90
  4. Step 4: Simplify right side
    740,201.70x = 296,378,500,154.00
  5. Step 5: Solve for x
    x = 296,378,500,154.00/740,201.70
  6. Step 6: Final answer
    x = 400,402.35

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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.