Home / 1,053,068.10-1,578,170.61-445,351.20

Finding the Fourth Proportional to 1,053,068.10, 1,578,170.61 and 445,351.20

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Solution

The fourth proportional to 1,053,068.10, 1,578,170.61 and 445,351.20 is: 667,421.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,068.10 : 1,578,170.61 = 445,351.20 : x
  2. Step 2: Convert to fraction form
    1,053,068.10/1,578,170.61 = 445,351.20/x
  3. Step 3: Cross multiply
    1,053,068.10x = 1,578,170.61 × 445,351.20
  4. Step 4: Simplify right side
    1,053,068.10x = 702,840,174,968.23
  5. Step 5: Solve for x
    x = 702,840,174,968.23/1,053,068.10
  6. Step 6: Final answer
    x = 667,421.39

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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.