Home / 549,237.20-824,341.80-324,316.40

Finding the Fourth Proportional to 549,237.20, 824,341.80 and 324,316.40

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Solution

The fourth proportional to 549,237.20, 824,341.80 and 324,316.40 is: 486,761.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,237.20 : 824,341.80 = 324,316.40 : x
  2. Step 2: Convert to fraction form
    549,237.20/824,341.80 = 324,316.40/x
  3. Step 3: Cross multiply
    549,237.20x = 824,341.80 × 324,316.40
  4. Step 4: Simplify right side
    549,237.20x = 267,347,564,945.52
  5. Step 5: Solve for x
    x = 267,347,564,945.52/549,237.20
  6. Step 6: Final answer
    x = 486,761.58

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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.