Home / 535,899.75-739,390.14-345,023.64

Finding the Fourth Proportional to 535,899.75, 739,390.14 and 345,023.64

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Solution

The fourth proportional to 535,899.75, 739,390.14 and 345,023.64 is: 476,035.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,899.75 : 739,390.14 = 345,023.64 : x
  2. Step 2: Convert to fraction form
    535,899.75/739,390.14 = 345,023.64/x
  3. Step 3: Cross multiply
    535,899.75x = 739,390.14 × 345,023.64
  4. Step 4: Simplify right side
    535,899.75x = 255,107,077,482.91
  5. Step 5: Solve for x
    x = 255,107,077,482.91/535,899.75
  6. Step 6: Final answer
    x = 476,035.07

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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.