Home / 549,079.20-822,962.70-282,702.60

Finding the Fourth Proportional to 549,079.20, 822,962.70 and 282,702.60

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Solution

The fourth proportional to 549,079.20, 822,962.70 and 282,702.60 is: 423,716.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,079.20 : 822,962.70 = 282,702.60 : x
  2. Step 2: Convert to fraction form
    549,079.20/822,962.70 = 282,702.60/x
  3. Step 3: Cross multiply
    549,079.20x = 822,962.70 × 282,702.60
  4. Step 4: Simplify right side
    549,079.20x = 232,653,694,993.02
  5. Step 5: Solve for x
    x = 232,653,694,993.02/549,079.20
  6. Step 6: Final answer
    x = 423,716.10

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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.