Home / 875,255.25-1,207,852.38-472,847.25

Finding the Fourth Proportional to 875,255.25, 1,207,852.38 and 472,847.25

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Solution

The fourth proportional to 875,255.25, 1,207,852.38 and 472,847.25 is: 652,529.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,255.25 : 1,207,852.38 = 472,847.25 : x
  2. Step 2: Convert to fraction form
    875,255.25/1,207,852.38 = 472,847.25/x
  3. Step 3: Cross multiply
    875,255.25x = 1,207,852.38 × 472,847.25
  4. Step 4: Simplify right side
    875,255.25x = 571,129,676,288.96
  5. Step 5: Solve for x
    x = 571,129,676,288.96/875,255.25
  6. Step 6: Final answer
    x = 652,529.28

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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.