Home / 1,228,464.01-1,695,257.40-684,587.89

Finding the Fourth Proportional to 1,228,464.01, 1,695,257.40 and 684,587.89

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Solution

The fourth proportional to 1,228,464.01, 1,695,257.40 and 684,587.89 is: 944,718.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,464.01 : 1,695,257.40 = 684,587.89 : x
  2. Step 2: Convert to fraction form
    1,228,464.01/1,695,257.40 = 684,587.89/x
  3. Step 3: Cross multiply
    1,228,464.01x = 1,695,257.40 × 684,587.89
  4. Step 4: Simplify right side
    1,228,464.01x = 1,160,552,686,472.89
  5. Step 5: Solve for x
    x = 1,160,552,686,472.89/1,228,464.01
  6. Step 6: Final answer
    x = 944,718.51

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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.