Home / 549,524.38-758,339.18-307,809.24

Finding the Fourth Proportional to 549,524.38, 758,339.18 and 307,809.24

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Solution

The fourth proportional to 549,524.38, 758,339.18 and 307,809.24 is: 424,774.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,524.38 : 758,339.18 = 307,809.24 : x
  2. Step 2: Convert to fraction form
    549,524.38/758,339.18 = 307,809.24/x
  3. Step 3: Cross multiply
    549,524.38x = 758,339.18 × 307,809.24
  4. Step 4: Simplify right side
    549,524.38x = 233,423,801,327.28
  5. Step 5: Solve for x
    x = 233,423,801,327.28/549,524.38
  6. Step 6: Final answer
    x = 424,774.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.