Home / 620,905.52-930,579.15-265,501.61

Finding the Fourth Proportional to 620,905.52, 930,579.15 and 265,501.61

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Solution

The fourth proportional to 620,905.52, 930,579.15 and 265,501.61 is: 397,919.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,905.52 : 930,579.15 = 265,501.61 : x
  2. Step 2: Convert to fraction form
    620,905.52/930,579.15 = 265,501.61/x
  3. Step 3: Cross multiply
    620,905.52x = 930,579.15 × 265,501.61
  4. Step 4: Simplify right side
    620,905.52x = 247,070,262,557.43
  5. Step 5: Solve for x
    x = 247,070,262,557.43/620,905.52
  6. Step 6: Final answer
    x = 397,919.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.