Home / 875,255.75-1,207,853.07-472,847.75

Finding the Fourth Proportional to 875,255.75, 1,207,853.07 and 472,847.75

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Solution

The fourth proportional to 875,255.75, 1,207,853.07 and 472,847.75 is: 652,529.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,255.75 : 1,207,853.07 = 472,847.75 : x
  2. Step 2: Convert to fraction form
    875,255.75/1,207,853.07 = 472,847.75/x
  3. Step 3: Cross multiply
    875,255.75x = 1,207,853.07 × 472,847.75
  4. Step 4: Simplify right side
    875,255.75x = 571,130,606,480.09
  5. Step 5: Solve for x
    x = 571,130,606,480.09/875,255.75
  6. Step 6: Final answer
    x = 652,529.97

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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.