Home / 1,266,106.28-1,747,218.24-693,156.08

Finding the Fourth Proportional to 1,266,106.28, 1,747,218.24 and 693,156.08

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Solution

The fourth proportional to 1,266,106.28, 1,747,218.24 and 693,156.08 is: 956,550.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,106.28 : 1,747,218.24 = 693,156.08 : x
  2. Step 2: Convert to fraction form
    1,266,106.28/1,747,218.24 = 693,156.08/x
  3. Step 3: Cross multiply
    1,266,106.28x = 1,747,218.24 × 693,156.08
  4. Step 4: Simplify right side
    1,266,106.28x = 1,211,094,946,142.90
  5. Step 5: Solve for x
    x = 1,211,094,946,142.90/1,266,106.28
  6. Step 6: Final answer
    x = 956,550.78

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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.