Home / 853,744.91-1,178,168.39-471,771.69

Finding the Fourth Proportional to 853,744.91, 1,178,168.39 and 471,771.69

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Solution

The fourth proportional to 853,744.91, 1,178,168.39 and 471,771.69 is: 651,045.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,744.91 : 1,178,168.39 = 471,771.69 : x
  2. Step 2: Convert to fraction form
    853,744.91/1,178,168.39 = 471,771.69/x
  3. Step 3: Cross multiply
    853,744.91x = 1,178,168.39 × 471,771.69
  4. Step 4: Simplify right side
    853,744.91x = 555,826,492,454.88
  5. Step 5: Solve for x
    x = 555,826,492,454.88/853,744.91
  6. Step 6: Final answer
    x = 651,045.16

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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.