Home / 748,403.84-1,123,315.50-463,231.77

Finding the Fourth Proportional to 748,403.84, 1,123,315.50 and 463,231.77

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Solution

The fourth proportional to 748,403.84, 1,123,315.50 and 463,231.77 is: 695,286.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,403.84 : 1,123,315.50 = 463,231.77 : x
  2. Step 2: Convert to fraction form
    748,403.84/1,123,315.50 = 463,231.77/x
  3. Step 3: Cross multiply
    748,403.84x = 1,123,315.50 × 463,231.77
  4. Step 4: Simplify right side
    748,403.84x = 520,355,427,333.44
  5. Step 5: Solve for x
    x = 520,355,427,333.44/748,403.84
  6. Step 6: Final answer
    x = 695,286.96

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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.