Home / 763,995.63-1,054,346.77-424,463.88

Finding the Fourth Proportional to 763,995.63, 1,054,346.77 and 424,463.88

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Solution

The fourth proportional to 763,995.63, 1,054,346.77 and 424,463.88 is: 585,778.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,995.63 : 1,054,346.77 = 424,463.88 : x
  2. Step 2: Convert to fraction form
    763,995.63/1,054,346.77 = 424,463.88/x
  3. Step 3: Cross multiply
    763,995.63x = 1,054,346.77 × 424,463.88
  4. Step 4: Simplify right side
    763,995.63x = 447,532,115,587.93
  5. Step 5: Solve for x
    x = 447,532,115,587.93/763,995.63
  6. Step 6: Final answer
    x = 585,778.37

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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.