Home / 853,660.26-1,178,050.77-471,683.70

Finding the Fourth Proportional to 853,660.26, 1,178,050.77 and 471,683.70

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Solution

The fourth proportional to 853,660.26, 1,178,050.77 and 471,683.70 is: 650,923.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,660.26 : 1,178,050.77 = 471,683.70 : x
  2. Step 2: Convert to fraction form
    853,660.26/1,178,050.77 = 471,683.70/x
  3. Step 3: Cross multiply
    853,660.26x = 1,178,050.77 × 471,683.70
  4. Step 4: Simplify right side
    853,660.26x = 555,667,345,981.45
  5. Step 5: Solve for x
    x = 555,667,345,981.45/853,660.26
  6. Step 6: Final answer
    x = 650,923.29

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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.