Home / 1,221,907.30-1,833,517.05-512,007.10

Finding the Fourth Proportional to 1,221,907.30, 1,833,517.05 and 512,007.10

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Solution

The fourth proportional to 1,221,907.30, 1,833,517.05 and 512,007.10 is: 768,285.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,907.30 : 1,833,517.05 = 512,007.10 : x
  2. Step 2: Convert to fraction form
    1,221,907.30/1,833,517.05 = 512,007.10/x
  3. Step 3: Cross multiply
    1,221,907.30x = 1,833,517.05 × 512,007.10
  4. Step 4: Simplify right side
    1,221,907.30x = 938,773,747,571.06
  5. Step 5: Solve for x
    x = 938,773,747,571.06/1,221,907.30
  6. Step 6: Final answer
    x = 768,285.57

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1.5x scale

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.