Home / 858,105.23-1,184,158.53-470,910.69

Finding the Fourth Proportional to 858,105.23, 1,184,158.53 and 470,910.69

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Solution

The fourth proportional to 858,105.23, 1,184,158.53 and 470,910.69 is: 649,842.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,105.23 : 1,184,158.53 = 470,910.69 : x
  2. Step 2: Convert to fraction form
    858,105.23/1,184,158.53 = 470,910.69/x
  3. Step 3: Cross multiply
    858,105.23x = 1,184,158.53 × 470,910.69
  4. Step 4: Simplify right side
    858,105.23x = 557,632,908,425.68
  5. Step 5: Solve for x
    x = 557,632,908,425.68/858,105.23
  6. Step 6: Final answer
    x = 649,842.11

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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.