Home / 868,390.57-1,301,723.81-412,182.37

Finding the Fourth Proportional to 868,390.57, 1,301,723.81 and 412,182.37

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Solution

The fourth proportional to 868,390.57, 1,301,723.81 and 412,182.37 is: 617,864.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,390.57 : 1,301,723.81 = 412,182.37 : x
  2. Step 2: Convert to fraction form
    868,390.57/1,301,723.81 = 412,182.37/x
  3. Step 3: Cross multiply
    868,390.57x = 1,301,723.81 × 412,182.37
  4. Step 4: Simplify right side
    868,390.57x = 536,547,605,091.23
  5. Step 5: Solve for x
    x = 536,547,605,091.23/868,390.57
  6. Step 6: Final answer
    x = 617,864.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.