Home / 1,492,431.87-2,238,647.81-370,500.87

Finding the Fourth Proportional to 1,492,431.87, 2,238,647.81 and 370,500.87

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Solution

The fourth proportional to 1,492,431.87, 2,238,647.81 and 370,500.87 is: 555,751.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,431.87 : 2,238,647.81 = 370,500.87 : x
  2. Step 2: Convert to fraction form
    1,492,431.87/2,238,647.81 = 370,500.87/x
  3. Step 3: Cross multiply
    1,492,431.87x = 2,238,647.81 × 370,500.87
  4. Step 4: Simplify right side
    1,492,431.87x = 829,420,961,228.60
  5. Step 5: Solve for x
    x = 829,420,961,228.60/1,492,431.87
  6. Step 6: Final answer
    x = 555,751.31

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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.