Home / 1,387,886.70-2,081,830.05-441,353.10

Finding the Fourth Proportional to 1,387,886.70, 2,081,830.05 and 441,353.10

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Solution

The fourth proportional to 1,387,886.70, 2,081,830.05 and 441,353.10 is: 662,029.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,886.70 : 2,081,830.05 = 441,353.10 : x
  2. Step 2: Convert to fraction form
    1,387,886.70/2,081,830.05 = 441,353.10/x
  3. Step 3: Cross multiply
    1,387,886.70x = 2,081,830.05 × 441,353.10
  4. Step 4: Simplify right side
    1,387,886.70x = 918,822,146,240.66
  5. Step 5: Solve for x
    x = 918,822,146,240.66/1,387,886.70
  6. Step 6: Final answer
    x = 662,029.65

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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.