Home / 735,775.43-1,015,647.56-429,951.21

Finding the Fourth Proportional to 735,775.43, 1,015,647.56 and 429,951.21

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Solution

The fourth proportional to 735,775.43, 1,015,647.56 and 429,951.21 is: 593,494.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,775.43 : 1,015,647.56 = 429,951.21 : x
  2. Step 2: Convert to fraction form
    735,775.43/1,015,647.56 = 429,951.21/x
  3. Step 3: Cross multiply
    735,775.43x = 1,015,647.56 × 429,951.21
  4. Step 4: Simplify right side
    735,775.43x = 436,678,895,205.79
  5. Step 5: Solve for x
    x = 436,678,895,205.79/735,775.43
  6. Step 6: Final answer
    x = 593,494.81

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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.