Home / 734,111.52-1,013,107.28-428,193.96

Finding the Fourth Proportional to 734,111.52, 1,013,107.28 and 428,193.96

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Solution

The fourth proportional to 734,111.52, 1,013,107.28 and 428,193.96 is: 590,927.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,111.52 : 1,013,107.28 = 428,193.96 : x
  2. Step 2: Convert to fraction form
    734,111.52/1,013,107.28 = 428,193.96/x
  3. Step 3: Cross multiply
    734,111.52x = 1,013,107.28 × 428,193.96
  4. Step 4: Simplify right side
    734,111.52x = 433,806,415,987.06
  5. Step 5: Solve for x
    x = 433,806,415,987.06/734,111.52
  6. Step 6: Final answer
    x = 590,927.13

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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.