Home / 549,943.30-823,930.80-471,211.30

Finding the Fourth Proportional to 549,943.30, 823,930.80 and 471,211.30

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Solution

The fourth proportional to 549,943.30, 823,930.80 and 471,211.30 is: 705,973.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,943.30 : 823,930.80 = 471,211.30 : x
  2. Step 2: Convert to fraction form
    549,943.30/823,930.80 = 471,211.30/x
  3. Step 3: Cross multiply
    549,943.30x = 823,930.80 × 471,211.30
  4. Step 4: Simplify right side
    549,943.30x = 388,245,503,378.04
  5. Step 5: Solve for x
    x = 388,245,503,378.04/549,943.30
  6. Step 6: Final answer
    x = 705,973.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.