Home / 806,920.92-1,112,510.29-661,184.91

Finding the Fourth Proportional to 806,920.92, 1,112,510.29 and 661,184.91

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Solution

The fourth proportional to 806,920.92, 1,112,510.29 and 661,184.91 is: 911,582.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,920.92 : 1,112,510.29 = 661,184.91 : x
  2. Step 2: Convert to fraction form
    806,920.92/1,112,510.29 = 661,184.91/x
  3. Step 3: Cross multiply
    806,920.92x = 1,112,510.29 × 661,184.91
  4. Step 4: Simplify right side
    806,920.92x = 735,575,015,967.72
  5. Step 5: Solve for x
    x = 735,575,015,967.72/806,920.92
  6. Step 6: Final answer
    x = 911,582.53

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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.