Home / 549,582.89-824,378.73-212,662.04

Finding the Fourth Proportional to 549,582.89, 824,378.73 and 212,662.04

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Solution

The fourth proportional to 549,582.89, 824,378.73 and 212,662.04 is: 318,994.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,582.89 : 824,378.73 = 212,662.04 : x
  2. Step 2: Convert to fraction form
    549,582.89/824,378.73 = 212,662.04/x
  3. Step 3: Cross multiply
    549,582.89x = 824,378.73 × 212,662.04
  4. Step 4: Simplify right side
    549,582.89x = 175,314,062,454.41
  5. Step 5: Solve for x
    x = 175,314,062,454.41/549,582.89
  6. Step 6: Final answer
    x = 318,994.76

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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.