Home / 875,083.60-1,207,712.76-552,778.16

Finding the Fourth Proportional to 875,083.60, 1,207,712.76 and 552,778.16

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Solution

The fourth proportional to 875,083.60, 1,207,712.76 and 552,778.16 is: 762,895.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,083.60 : 1,207,712.76 = 552,778.16 : x
  2. Step 2: Convert to fraction form
    875,083.60/1,207,712.76 = 552,778.16/x
  3. Step 3: Cross multiply
    875,083.60x = 1,207,712.76 × 552,778.16
  4. Step 4: Simplify right side
    875,083.60x = 667,597,237,281.32
  5. Step 5: Solve for x
    x = 667,597,237,281.32/875,083.60
  6. Step 6: Final answer
    x = 762,895.38

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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.