Home / 1,228,463.51-1,695,256.71-684,587.39

Finding the Fourth Proportional to 1,228,463.51, 1,695,256.71 and 684,587.39

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Solution

The fourth proportional to 1,228,463.51, 1,695,256.71 and 684,587.39 is: 944,717.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,463.51 : 1,695,256.71 = 684,587.39 : x
  2. Step 2: Convert to fraction form
    1,228,463.51/1,695,256.71 = 684,587.39/x
  3. Step 3: Cross multiply
    1,228,463.51x = 1,695,256.71 × 684,587.39
  4. Step 4: Simplify right side
    1,228,463.51x = 1,160,551,366,478.89
  5. Step 5: Solve for x
    x = 1,160,551,366,478.89/1,228,463.51
  6. Step 6: Final answer
    x = 944,717.82

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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.