Home / 875,218.81-1,206,153.07-633,090.73

Finding the Fourth Proportional to 875,218.81, 1,206,153.07 and 633,090.73

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Solution

The fourth proportional to 875,218.81, 1,206,153.07 and 633,090.73 is: 872,472.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,218.81 : 1,206,153.07 = 633,090.73 : x
  2. Step 2: Convert to fraction form
    875,218.81/1,206,153.07 = 633,090.73/x
  3. Step 3: Cross multiply
    875,218.81x = 1,206,153.07 × 633,090.73
  4. Step 4: Simplify right side
    875,218.81x = 763,604,327,578.04
  5. Step 5: Solve for x
    x = 763,604,327,578.04/875,218.81
  6. Step 6: Final answer
    x = 872,472.48

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Double scale
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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.