Home / 1,488,363.81-2,231,235-590,436.15

Finding the Fourth Proportional to 1,488,363.81, 2,231,235 and 590,436.15

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Solution

The fourth proportional to 1,488,363.81, 2,231,235 and 590,436.15 is: 885,134.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,363.81 : 2,231,235 = 590,436.15 : x
  2. Step 2: Convert to fraction form
    1,488,363.81/2,231,235 = 590,436.15/x
  3. Step 3: Cross multiply
    1,488,363.81x = 2,231,235 × 590,436.15
  4. Step 4: Simplify right side
    1,488,363.81x = 1,317,401,803,145.25
  5. Step 5: Solve for x
    x = 1,317,401,803,145.25/1,488,363.81
  6. Step 6: Final answer
    x = 885,134.26

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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.