Home / 753,403.70-1,130,105.55-501,023.90

Finding the Fourth Proportional to 753,403.70, 1,130,105.55 and 501,023.90

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Solution

The fourth proportional to 753,403.70, 1,130,105.55 and 501,023.90 is: 751,535.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,403.70 : 1,130,105.55 = 501,023.90 : x
  2. Step 2: Convert to fraction form
    753,403.70/1,130,105.55 = 501,023.90/x
  3. Step 3: Cross multiply
    753,403.70x = 1,130,105.55 × 501,023.90
  4. Step 4: Simplify right side
    753,403.70x = 566,209,890,072.65
  5. Step 5: Solve for x
    x = 566,209,890,072.65/753,403.70
  6. Step 6: Final answer
    x = 751,535.85

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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.