Home / 621,960.02-858,310.92-346,321.74

Finding the Fourth Proportional to 621,960.02, 858,310.92 and 346,321.74

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Solution

The fourth proportional to 621,960.02, 858,310.92 and 346,321.74 is: 477,927.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,960.02 : 858,310.92 = 346,321.74 : x
  2. Step 2: Convert to fraction form
    621,960.02/858,310.92 = 346,321.74/x
  3. Step 3: Cross multiply
    621,960.02x = 858,310.92 × 346,321.74
  4. Step 4: Simplify right side
    621,960.02x = 297,251,729,543.79
  5. Step 5: Solve for x
    x = 297,251,729,543.79/621,960.02
  6. Step 6: Final answer
    x = 477,927.39

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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.