Home / 1,702,486.60-2,552,433.90-861,641.80

Finding the Fourth Proportional to 1,702,486.60, 2,552,433.90 and 861,641.80

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Solution

The fourth proportional to 1,702,486.60, 2,552,433.90 and 861,641.80 is: 1,291,806.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,702,486.60 : 2,552,433.90 = 861,641.80 : x
  2. Step 2: Convert to fraction form
    1,702,486.60/2,552,433.90 = 861,641.80/x
  3. Step 3: Cross multiply
    1,702,486.60x = 2,552,433.90 × 861,641.80
  4. Step 4: Simplify right side
    1,702,486.60x = 2,199,283,739,977.02
  5. Step 5: Solve for x
    x = 2,199,283,739,977.02/1,702,486.60
  6. Step 6: Final answer
    x = 1,291,806.78

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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.