Home / 945,863.40-1,418,795.10-933,421.80

Finding the Fourth Proportional to 945,863.40, 1,418,795.10 and 933,421.80

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Solution

The fourth proportional to 945,863.40, 1,418,795.10 and 933,421.80 is: 1,400,132.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,863.40 : 1,418,795.10 = 933,421.80 : x
  2. Step 2: Convert to fraction form
    945,863.40/1,418,795.10 = 933,421.80/x
  3. Step 3: Cross multiply
    945,863.40x = 1,418,795.10 × 933,421.80
  4. Step 4: Simplify right side
    945,863.40x = 1,324,334,276,073.18
  5. Step 5: Solve for x
    x = 1,324,334,276,073.18/945,863.40
  6. Step 6: Final answer
    x = 1,400,132.70

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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.