Home / 549,917.40-824,876.10-483,432.60

Finding the Fourth Proportional to 549,917.40, 824,876.10 and 483,432.60

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Solution

The fourth proportional to 549,917.40, 824,876.10 and 483,432.60 is: 725,148.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,917.40 : 824,876.10 = 483,432.60 : x
  2. Step 2: Convert to fraction form
    549,917.40/824,876.10 = 483,432.60/x
  3. Step 3: Cross multiply
    549,917.40x = 824,876.10 × 483,432.60
  4. Step 4: Simplify right side
    549,917.40x = 398,771,997,700.86
  5. Step 5: Solve for x
    x = 398,771,997,700.86/549,917.40
  6. Step 6: Final answer
    x = 725,148.90

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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.