Home / 735,803.78-1,015,231.86-429,706.40

Finding the Fourth Proportional to 735,803.78, 1,015,231.86 and 429,706.40

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Solution

The fourth proportional to 735,803.78, 1,015,231.86 and 429,706.40 is: 592,891.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,803.78 : 1,015,231.86 = 429,706.40 : x
  2. Step 2: Convert to fraction form
    735,803.78/1,015,231.86 = 429,706.40/x
  3. Step 3: Cross multiply
    735,803.78x = 1,015,231.86 × 429,706.40
  4. Step 4: Simplify right side
    735,803.78x = 436,251,627,725.90
  5. Step 5: Solve for x
    x = 436,251,627,725.90/735,803.78
  6. Step 6: Final answer
    x = 592,891.26

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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.