Home / 1,333,213.20-2,000,111.40-659,617.20

Finding the Fourth Proportional to 1,333,213.20, 2,000,111.40 and 659,617.20

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Solution

The fourth proportional to 1,333,213.20, 2,000,111.40 and 659,617.20 is: 989,570.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,213.20 : 2,000,111.40 = 659,617.20 : x
  2. Step 2: Convert to fraction form
    1,333,213.20/2,000,111.40 = 659,617.20/x
  3. Step 3: Cross multiply
    1,333,213.20x = 2,000,111.40 × 659,617.20
  4. Step 4: Simplify right side
    1,333,213.20x = 1,319,307,881,356.08
  5. Step 5: Solve for x
    x = 1,319,307,881,356.08/1,333,213.20
  6. Step 6: Final answer
    x = 989,570.07

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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.