Home / 853,758.86-1,178,190.87-466,581.98

Finding the Fourth Proportional to 853,758.86, 1,178,190.87 and 466,581.98

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Solution

The fourth proportional to 853,758.86, 1,178,190.87 and 466,581.98 is: 643,885.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,758.86 : 1,178,190.87 = 466,581.98 : x
  2. Step 2: Convert to fraction form
    853,758.86/1,178,190.87 = 466,581.98/x
  3. Step 3: Cross multiply
    853,758.86x = 1,178,190.87 × 466,581.98
  4. Step 4: Simplify right side
    853,758.86x = 549,722,628,942.52
  5. Step 5: Solve for x
    x = 549,722,628,942.52/853,758.86
  6. Step 6: Final answer
    x = 643,885.12

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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.