Home / 1,182,521.49-1,767,302.07-863,345.58

Finding the Fourth Proportional to 1,182,521.49, 1,767,302.07 and 863,345.58

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Solution

The fourth proportional to 1,182,521.49, 1,767,302.07 and 863,345.58 is: 1,290,287.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,521.49 : 1,767,302.07 = 863,345.58 : x
  2. Step 2: Convert to fraction form
    1,182,521.49/1,767,302.07 = 863,345.58/x
  3. Step 3: Cross multiply
    1,182,521.49x = 1,767,302.07 × 863,345.58
  4. Step 4: Simplify right side
    1,182,521.49x = 1,525,792,430,659.35
  5. Step 5: Solve for x
    x = 1,525,792,430,659.35/1,182,521.49
  6. Step 6: Final answer
    x = 1,290,287.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.