Home / 549,464.09-823,531.83-283,079.30

Finding the Fourth Proportional to 549,464.09, 823,531.83 and 283,079.30

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Solution

The fourth proportional to 549,464.09, 823,531.83 and 283,079.30 is: 424,276.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,464.09 : 823,531.83 = 283,079.30 : x
  2. Step 2: Convert to fraction form
    549,464.09/823,531.83 = 283,079.30/x
  3. Step 3: Cross multiply
    549,464.09x = 823,531.83 × 283,079.30
  4. Step 4: Simplify right side
    549,464.09x = 233,124,809,846.46
  5. Step 5: Solve for x
    x = 233,124,809,846.46/549,464.09
  6. Step 6: Final answer
    x = 424,276.70

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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.