Home / 857,730.25-1,183,659.19-475,747.21

Finding the Fourth Proportional to 857,730.25, 1,183,659.19 and 475,747.21

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Solution

The fourth proportional to 857,730.25, 1,183,659.19 and 475,747.21 is: 656,526.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,730.25 : 1,183,659.19 = 475,747.21 : x
  2. Step 2: Convert to fraction form
    857,730.25/1,183,659.19 = 475,747.21/x
  3. Step 3: Cross multiply
    857,730.25x = 1,183,659.19 × 475,747.21
  4. Step 4: Simplify right side
    857,730.25x = 563,122,557,523.57
  5. Step 5: Solve for x
    x = 563,122,557,523.57/857,730.25
  6. Step 6: Final answer
    x = 656,526.40

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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.