Home / 776,153.54-1,071,239.68-436,621.79

Finding the Fourth Proportional to 776,153.54, 1,071,239.68 and 436,621.79

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Solution

The fourth proportional to 776,153.54, 1,071,239.68 and 436,621.79 is: 602,621.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,153.54 : 1,071,239.68 = 436,621.79 : x
  2. Step 2: Convert to fraction form
    776,153.54/1,071,239.68 = 436,621.79/x
  3. Step 3: Cross multiply
    776,153.54x = 1,071,239.68 × 436,621.79
  4. Step 4: Simplify right side
    776,153.54x = 467,726,589,824.50
  5. Step 5: Solve for x
    x = 467,726,589,824.50/776,153.54
  6. Step 6: Final answer
    x = 602,621.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.