Home / 786,082.88-1,179,373.55-280,632.69

Finding the Fourth Proportional to 786,082.88, 1,179,373.55 and 280,632.69

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Solution

The fourth proportional to 786,082.88, 1,179,373.55 and 280,632.69 is: 421,038.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,082.88 : 1,179,373.55 = 280,632.69 : x
  2. Step 2: Convert to fraction form
    786,082.88/1,179,373.55 = 280,632.69/x
  3. Step 3: Cross multiply
    786,082.88x = 1,179,373.55 × 280,632.69
  4. Step 4: Simplify right side
    786,082.88x = 330,970,770,448.19
  5. Step 5: Solve for x
    x = 330,970,770,448.19/786,082.88
  6. Step 6: Final answer
    x = 421,038.01

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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.