Home / 925,192.32-1,386,843.12-524,987.76

Finding the Fourth Proportional to 925,192.32, 1,386,843.12 and 524,987.76

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Solution

The fourth proportional to 925,192.32, 1,386,843.12 and 524,987.76 is: 786,945.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,192.32 : 1,386,843.12 = 524,987.76 : x
  2. Step 2: Convert to fraction form
    925,192.32/1,386,843.12 = 524,987.76/x
  3. Step 3: Cross multiply
    925,192.32x = 1,386,843.12 × 524,987.76
  4. Step 4: Simplify right side
    925,192.32x = 728,075,663,040.21
  5. Step 5: Solve for x
    x = 728,075,663,040.21/925,192.32
  6. Step 6: Final answer
    x = 786,945.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.