Home / 1,900,650.60-2,850,678.72-621,248.40

Finding the Fourth Proportional to 1,900,650.60, 2,850,678.72 and 621,248.40

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Solution

The fourth proportional to 1,900,650.60, 2,850,678.72 and 621,248.40 is: 931,775.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,650.60 : 2,850,678.72 = 621,248.40 : x
  2. Step 2: Convert to fraction form
    1,900,650.60/2,850,678.72 = 621,248.40/x
  3. Step 3: Cross multiply
    1,900,650.60x = 2,850,678.72 × 621,248.40
  4. Step 4: Simplify right side
    1,900,650.60x = 1,770,979,593,714.05
  5. Step 5: Solve for x
    x = 1,770,979,593,714.05/1,900,650.60
  6. Step 6: Final answer
    x = 931,775.46

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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.