Home / 549,811.70-824,237.55-213,082.10

Finding the Fourth Proportional to 549,811.70, 824,237.55 and 213,082.10

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Solution

The fourth proportional to 549,811.70, 824,237.55 and 213,082.10 is: 319,437.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,811.70 : 824,237.55 = 213,082.10 : x
  2. Step 2: Convert to fraction form
    549,811.70/824,237.55 = 213,082.10/x
  3. Step 3: Cross multiply
    549,811.70x = 824,237.55 × 213,082.10
  4. Step 4: Simplify right side
    549,811.70x = 175,630,268,052.86
  5. Step 5: Solve for x
    x = 175,630,268,052.86/549,811.70
  6. Step 6: Final answer
    x = 319,437.12

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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.