Home / 858,513.57-1,184,508.66-536,550.72

Finding the Fourth Proportional to 858,513.57, 1,184,508.66 and 536,550.72

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Solution

The fourth proportional to 858,513.57, 1,184,508.66 and 536,550.72 is: 740,289.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,513.57 : 1,184,508.66 = 536,550.72 : x
  2. Step 2: Convert to fraction form
    858,513.57/1,184,508.66 = 536,550.72/x
  3. Step 3: Cross multiply
    858,513.57x = 1,184,508.66 × 536,550.72
  4. Step 4: Simplify right side
    858,513.57x = 635,548,974,369.24
  5. Step 5: Solve for x
    x = 635,548,974,369.24/858,513.57
  6. Step 6: Final answer
    x = 740,289.96

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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.