Home / 945,703.40-1,418,555.10-777,741.80

Finding the Fourth Proportional to 945,703.40, 1,418,555.10 and 777,741.80

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Solution

The fourth proportional to 945,703.40, 1,418,555.10 and 777,741.80 is: 1,166,612.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,703.40 : 1,418,555.10 = 777,741.80 : x
  2. Step 2: Convert to fraction form
    945,703.40/1,418,555.10 = 777,741.80/x
  3. Step 3: Cross multiply
    945,703.40x = 1,418,555.10 × 777,741.80
  4. Step 4: Simplify right side
    945,703.40x = 1,103,269,596,873.18
  5. Step 5: Solve for x
    x = 1,103,269,596,873.18/945,703.40
  6. Step 6: Final answer
    x = 1,166,612.70

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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.