Home / 810,023.66-1,117,866.59-465,859.82

Finding the Fourth Proportional to 810,023.66, 1,117,866.59 and 465,859.82

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Solution

The fourth proportional to 810,023.66, 1,117,866.59 and 465,859.82 is: 642,906.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,023.66 : 1,117,866.59 = 465,859.82 : x
  2. Step 2: Convert to fraction form
    810,023.66/1,117,866.59 = 465,859.82/x
  3. Step 3: Cross multiply
    810,023.66x = 1,117,866.59 × 465,859.82
  4. Step 4: Simplify right side
    810,023.66x = 520,769,130,613.76
  5. Step 5: Solve for x
    x = 520,769,130,613.76/810,023.66
  6. Step 6: Final answer
    x = 642,906.07

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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.