Home / 853,700.54-1,178,098.37-471,719.12

Finding the Fourth Proportional to 853,700.54, 1,178,098.37 and 471,719.12

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Solution

The fourth proportional to 853,700.54, 1,178,098.37 and 471,719.12 is: 650,967.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,700.54 : 1,178,098.37 = 471,719.12 : x
  2. Step 2: Convert to fraction form
    853,700.54/1,178,098.37 = 471,719.12/x
  3. Step 3: Cross multiply
    853,700.54x = 1,178,098.37 × 471,719.12
  4. Step 4: Simplify right side
    853,700.54x = 555,731,518,120.75
  5. Step 5: Solve for x
    x = 555,731,518,120.75/853,700.54
  6. Step 6: Final answer
    x = 650,967.75

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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.