Home / 1,228,445.80-1,695,256.83-684,569.66

Finding the Fourth Proportional to 1,228,445.80, 1,695,256.83 and 684,569.66

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Solution

The fourth proportional to 1,228,445.80, 1,695,256.83 and 684,569.66 is: 944,707.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,445.80 : 1,695,256.83 = 684,569.66 : x
  2. Step 2: Convert to fraction form
    1,228,445.80/1,695,256.83 = 684,569.66/x
  3. Step 3: Cross multiply
    1,228,445.80x = 1,695,256.83 × 684,569.66
  4. Step 4: Simplify right side
    1,228,445.80x = 1,160,521,391,725.78
  5. Step 5: Solve for x
    x = 1,160,521,391,725.78/1,228,445.80
  6. Step 6: Final answer
    x = 944,707.04

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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.