Home / 1,266,502.16-1,899,812.28-705,113.84

Finding the Fourth Proportional to 1,266,502.16, 1,899,812.28 and 705,113.84

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Solution

The fourth proportional to 1,266,502.16, 1,899,812.28 and 705,113.84 is: 1,057,703.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,502.16 : 1,899,812.28 = 705,113.84 : x
  2. Step 2: Convert to fraction form
    1,266,502.16/1,899,812.28 = 705,113.84/x
  3. Step 3: Cross multiply
    1,266,502.16x = 1,899,812.28 × 705,113.84
  4. Step 4: Simplify right side
    1,266,502.16x = 1,339,583,932,029.96
  5. Step 5: Solve for x
    x = 1,339,583,932,029.96/1,266,502.16
  6. Step 6: Final answer
    x = 1,057,703.63

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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.