Home / 1,554,585.54-2,145,481.05-909,966.66

Finding the Fourth Proportional to 1,554,585.54, 2,145,481.05 and 909,966.66

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Solution

The fourth proportional to 1,554,585.54, 2,145,481.05 and 909,966.66 is: 1,255,843.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554,585.54 : 2,145,481.05 = 909,966.66 : x
  2. Step 2: Convert to fraction form
    1,554,585.54/2,145,481.05 = 909,966.66/x
  3. Step 3: Cross multiply
    1,554,585.54x = 2,145,481.05 × 909,966.66
  4. Step 4: Simplify right side
    1,554,585.54x = 1,952,316,225,161.79
  5. Step 5: Solve for x
    x = 1,952,316,225,161.79/1,554,585.54
  6. Step 6: Final answer
    x = 1,255,843.55

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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.