Home / 778,507.53-1,167,626.62-351,944.16

Finding the Fourth Proportional to 778,507.53, 1,167,626.62 and 351,944.16

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Solution

The fourth proportional to 778,507.53, 1,167,626.62 and 351,944.16 is: 527,855.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,507.53 : 1,167,626.62 = 351,944.16 : x
  2. Step 2: Convert to fraction form
    778,507.53/1,167,626.62 = 351,944.16/x
  3. Step 3: Cross multiply
    778,507.53x = 1,167,626.62 × 351,944.16
  4. Step 4: Simplify right side
    778,507.53x = 410,939,369,969.54
  5. Step 5: Solve for x
    x = 410,939,369,969.54/778,507.53
  6. Step 6: Final answer
    x = 527,855.36

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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.