Home / 1,586,384.70-2,189,237.32-861,232.56

Finding the Fourth Proportional to 1,586,384.70, 2,189,237.32 and 861,232.56

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Solution

The fourth proportional to 1,586,384.70, 2,189,237.32 and 861,232.56 is: 1,188,515.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,384.70 : 2,189,237.32 = 861,232.56 : x
  2. Step 2: Convert to fraction form
    1,586,384.70/2,189,237.32 = 861,232.56/x
  3. Step 3: Cross multiply
    1,586,384.70x = 2,189,237.32 × 861,232.56
  4. Step 4: Simplify right side
    1,586,384.70x = 1,885,442,461,551.14
  5. Step 5: Solve for x
    x = 1,885,442,461,551.14/1,586,384.70
  6. Step 6: Final answer
    x = 1,188,515.28

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1.5x scale

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.