Home / 1,624,382.16-2,436,987.96-487,140

Finding the Fourth Proportional to 1,624,382.16, 2,436,987.96 and 487,140

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Solution

The fourth proportional to 1,624,382.16, 2,436,987.96 and 487,140 is: 730,834.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624,382.16 : 2,436,987.96 = 487,140 : x
  2. Step 2: Convert to fraction form
    1,624,382.16/2,436,987.96 = 487,140/x
  3. Step 3: Cross multiply
    1,624,382.16x = 2,436,987.96 × 487,140
  4. Step 4: Simplify right side
    1,624,382.16x = 1,187,154,314,834.40
  5. Step 5: Solve for x
    x = 1,187,154,314,834.40/1,624,382.16
  6. Step 6: Final answer
    x = 730,834.37

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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.