Home / 875,187.43-1,207,754.13-507,738.88

Finding the Fourth Proportional to 875,187.43, 1,207,754.13 and 507,738.88

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Solution

The fourth proportional to 875,187.43, 1,207,754.13 and 507,738.88 is: 700,677.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,187.43 : 1,207,754.13 = 507,738.88 : x
  2. Step 2: Convert to fraction form
    875,187.43/1,207,754.13 = 507,738.88/x
  3. Step 3: Cross multiply
    875,187.43x = 1,207,754.13 × 507,738.88
  4. Step 4: Simplify right side
    875,187.43x = 613,223,729,281.57
  5. Step 5: Solve for x
    x = 613,223,729,281.57/875,187.43
  6. Step 6: Final answer
    x = 700,677.03

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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.