Home / 1,105,148.64-1,525,102.68-621,714

Finding the Fourth Proportional to 1,105,148.64, 1,525,102.68 and 621,714

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Solution

The fourth proportional to 1,105,148.64, 1,525,102.68 and 621,714 is: 857,963.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,148.64 : 1,525,102.68 = 621,714 : x
  2. Step 2: Convert to fraction form
    1,105,148.64/1,525,102.68 = 621,714/x
  3. Step 3: Cross multiply
    1,105,148.64x = 1,525,102.68 × 621,714
  4. Step 4: Simplify right side
    1,105,148.64x = 948,177,687,593.52
  5. Step 5: Solve for x
    x = 948,177,687,593.52/1,105,148.64
  6. Step 6: Final answer
    x = 857,963.95

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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.