Home / 858,134.91-1,184,222.34-476,160.78

Finding the Fourth Proportional to 858,134.91, 1,184,222.34 and 476,160.78

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Solution

The fourth proportional to 858,134.91, 1,184,222.34 and 476,160.78 is: 657,099.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,134.91 : 1,184,222.34 = 476,160.78 : x
  2. Step 2: Convert to fraction form
    858,134.91/1,184,222.34 = 476,160.78/x
  3. Step 3: Cross multiply
    858,134.91x = 1,184,222.34 × 476,160.78
  4. Step 4: Simplify right side
    858,134.91x = 563,880,233,107.83
  5. Step 5: Solve for x
    x = 563,880,233,107.83/858,134.91
  6. Step 6: Final answer
    x = 657,099.75

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Double scale
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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.