Home / 1,657,707.12-2,287,981.08-1,083,682.80

Finding the Fourth Proportional to 1,657,707.12, 2,287,981.08 and 1,083,682.80

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Solution

The fourth proportional to 1,657,707.12, 2,287,981.08 and 1,083,682.80 is: 1,495,707.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,707.12 : 2,287,981.08 = 1,083,682.80 : x
  2. Step 2: Convert to fraction form
    1,657,707.12/2,287,981.08 = 1,083,682.80/x
  3. Step 3: Cross multiply
    1,657,707.12x = 2,287,981.08 × 1,083,682.80
  4. Step 4: Simplify right side
    1,657,707.12x = 2,479,445,743,121.42
  5. Step 5: Solve for x
    x = 2,479,445,743,121.42/1,657,707.12
  6. Step 6: Final answer
    x = 1,495,707.97

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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.