Home / 1,105,177.18-1,525,057.27-621,646.06

Finding the Fourth Proportional to 1,105,177.18, 1,525,057.27 and 621,646.06

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Solution

The fourth proportional to 1,105,177.18, 1,525,057.27 and 621,646.06 is: 857,822.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,177.18 : 1,525,057.27 = 621,646.06 : x
  2. Step 2: Convert to fraction form
    1,105,177.18/1,525,057.27 = 621,646.06/x
  3. Step 3: Cross multiply
    1,105,177.18x = 1,525,057.27 × 621,646.06
  4. Step 4: Simplify right side
    1,105,177.18x = 948,045,843,169.86
  5. Step 5: Solve for x
    x = 948,045,843,169.86/1,105,177.18
  6. Step 6: Final answer
    x = 857,822.49

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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.