Home / 1,663,620.60-2,495,430.90-821,998.20

Finding the Fourth Proportional to 1,663,620.60, 2,495,430.90 and 821,998.20

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Solution

The fourth proportional to 1,663,620.60, 2,495,430.90 and 821,998.20 is: 1,232,997.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,620.60 : 2,495,430.90 = 821,998.20 : x
  2. Step 2: Convert to fraction form
    1,663,620.60/2,495,430.90 = 821,998.20/x
  3. Step 3: Cross multiply
    1,663,620.60x = 2,495,430.90 × 821,998.20
  4. Step 4: Simplify right side
    1,663,620.60x = 2,051,239,708,024.38
  5. Step 5: Solve for x
    x = 2,051,239,708,024.38/1,663,620.60
  6. Step 6: Final answer
    x = 1,232,997.30

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Similar ratio
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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.