Home / 776,994.73-1,165,658.85-440,196.73

Finding the Fourth Proportional to 776,994.73, 1,165,658.85 and 440,196.73

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Solution

The fourth proportional to 776,994.73, 1,165,658.85 and 440,196.73 is: 660,389.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,994.73 : 1,165,658.85 = 440,196.73 : x
  2. Step 2: Convert to fraction form
    776,994.73/1,165,658.85 = 440,196.73/x
  3. Step 3: Cross multiply
    776,994.73x = 1,165,658.85 × 440,196.73
  4. Step 4: Simplify right side
    776,994.73x = 513,119,211,151.41
  5. Step 5: Solve for x
    x = 513,119,211,151.41/776,994.73
  6. Step 6: Final answer
    x = 660,389.57

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1.5x scale

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.