Home / 549,685.16-758,714.82-323,403.56

Finding the Fourth Proportional to 549,685.16, 758,714.82 and 323,403.56

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Solution

The fourth proportional to 549,685.16, 758,714.82 and 323,403.56 is: 446,384.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,685.16 : 758,714.82 = 323,403.56 : x
  2. Step 2: Convert to fraction form
    549,685.16/758,714.82 = 323,403.56/x
  3. Step 3: Cross multiply
    549,685.16x = 758,714.82 × 323,403.56
  4. Step 4: Simplify right side
    549,685.16x = 245,371,073,812.76
  5. Step 5: Solve for x
    x = 245,371,073,812.76/549,685.16
  6. Step 6: Final answer
    x = 446,384.75

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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.