Home / 1,289,851.61-1,934,821.16-343,223.24

Finding the Fourth Proportional to 1,289,851.61, 1,934,821.16 and 343,223.24

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Solution

The fourth proportional to 1,289,851.61, 1,934,821.16 and 343,223.24 is: 514,846.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,851.61 : 1,934,821.16 = 343,223.24 : x
  2. Step 2: Convert to fraction form
    1,289,851.61/1,934,821.16 = 343,223.24/x
  3. Step 3: Cross multiply
    1,289,851.61x = 1,934,821.16 × 343,223.24
  4. Step 4: Simplify right side
    1,289,851.61x = 664,075,585,639.64
  5. Step 5: Solve for x
    x = 664,075,585,639.64/1,289,851.61
  6. Step 6: Final answer
    x = 514,846.50

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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.