Home / 1,266,109.28-1,747,222.38-693,159.08

Finding the Fourth Proportional to 1,266,109.28, 1,747,222.38 and 693,159.08

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Solution

The fourth proportional to 1,266,109.28, 1,747,222.38 and 693,159.08 is: 956,554.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,109.28 : 1,747,222.38 = 693,159.08 : x
  2. Step 2: Convert to fraction form
    1,266,109.28/1,747,222.38 = 693,159.08/x
  3. Step 3: Cross multiply
    1,266,109.28x = 1,747,222.38 × 693,159.08
  4. Step 4: Simplify right side
    1,266,109.28x = 1,211,103,057,476.21
  5. Step 5: Solve for x
    x = 1,211,103,057,476.21/1,266,109.28
  6. Step 6: Final answer
    x = 956,554.92

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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.