Home / 853,865.42-1,178,336.16-466,687.04

Finding the Fourth Proportional to 853,865.42, 1,178,336.16 and 466,687.04

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Solution

The fourth proportional to 853,865.42, 1,178,336.16 and 466,687.04 is: 644,029.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,865.42 : 1,178,336.16 = 466,687.04 : x
  2. Step 2: Convert to fraction form
    853,865.42/1,178,336.16 = 466,687.04/x
  3. Step 3: Cross multiply
    853,865.42x = 1,178,336.16 × 466,687.04
  4. Step 4: Simplify right side
    853,865.42x = 549,914,214,635.37
  5. Step 5: Solve for x
    x = 549,914,214,635.37/853,865.42
  6. Step 6: Final answer
    x = 644,029.14

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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.