Home / 1,385,538.24-1,911,837.76-841,391.04

Finding the Fourth Proportional to 1,385,538.24, 1,911,837.76 and 841,391.04

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Solution

The fourth proportional to 1,385,538.24, 1,911,837.76 and 841,391.04 is: 1,160,995.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,538.24 : 1,911,837.76 = 841,391.04 : x
  2. Step 2: Convert to fraction form
    1,385,538.24/1,911,837.76 = 841,391.04/x
  3. Step 3: Cross multiply
    1,385,538.24x = 1,911,837.76 × 841,391.04
  4. Step 4: Simplify right side
    1,385,538.24x = 1,608,603,161,197.67
  5. Step 5: Solve for x
    x = 1,608,603,161,197.67/1,385,538.24
  6. Step 6: Final answer
    x = 1,160,995.14

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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.