Home / 741,530.88-1,023,320.68-435,620.16

Finding the Fourth Proportional to 741,530.88, 1,023,320.68 and 435,620.16

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Solution

The fourth proportional to 741,530.88, 1,023,320.68 and 435,620.16 is: 601,160.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,530.88 : 1,023,320.68 = 435,620.16 : x
  2. Step 2: Convert to fraction form
    741,530.88/1,023,320.68 = 435,620.16/x
  3. Step 3: Cross multiply
    741,530.88x = 1,023,320.68 × 435,620.16
  4. Step 4: Simplify right side
    741,530.88x = 445,779,117,263.86
  5. Step 5: Solve for x
    x = 445,779,117,263.86/741,530.88
  6. Step 6: Final answer
    x = 601,160.56

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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.