Home / 1,314,167.10-1,970,473.05-684,311.10

Finding the Fourth Proportional to 1,314,167.10, 1,970,473.05 and 684,311.10

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Solution

The fourth proportional to 1,314,167.10, 1,970,473.05 and 684,311.10 is: 1,026,061.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,167.10 : 1,970,473.05 = 684,311.10 : x
  2. Step 2: Convert to fraction form
    1,314,167.10/1,970,473.05 = 684,311.10/x
  3. Step 3: Cross multiply
    1,314,167.10x = 1,970,473.05 × 684,311.10
  4. Step 4: Simplify right side
    1,314,167.10x = 1,348,416,580,365.86
  5. Step 5: Solve for x
    x = 1,348,416,580,365.86/1,314,167.10
  6. Step 6: Final answer
    x = 1,026,061.74

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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.