Home / 853,454.91-1,177,667.36-471,458.91

Finding the Fourth Proportional to 853,454.91, 1,177,667.36 and 471,458.91

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Solution

The fourth proportional to 853,454.91, 1,177,667.36 and 471,458.91 is: 650,557.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,454.91 : 1,177,667.36 = 471,458.91 : x
  2. Step 2: Convert to fraction form
    853,454.91/1,177,667.36 = 471,458.91/x
  3. Step 3: Cross multiply
    853,454.91x = 1,177,667.36 × 471,458.91
  4. Step 4: Simplify right side
    853,454.91x = 555,221,773,715.11
  5. Step 5: Solve for x
    x = 555,221,773,715.11/853,454.91
  6. Step 6: Final answer
    x = 650,557.83

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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.