Home / 1,286,153.76-1,774,983.12-713,248.80

Finding the Fourth Proportional to 1,286,153.76, 1,774,983.12 and 713,248.80

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Solution

The fourth proportional to 1,286,153.76, 1,774,983.12 and 713,248.80 is: 984,333.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,153.76 : 1,774,983.12 = 713,248.80 : x
  2. Step 2: Convert to fraction form
    1,286,153.76/1,774,983.12 = 713,248.80/x
  3. Step 3: Cross multiply
    1,286,153.76x = 1,774,983.12 × 713,248.80
  4. Step 4: Simplify right side
    1,286,153.76x = 1,266,004,580,360.26
  5. Step 5: Solve for x
    x = 1,266,004,580,360.26/1,286,153.76
  6. Step 6: Final answer
    x = 984,333.77

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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.