Home / 546,886.20-819,746.10-209,796.60

Finding the Fourth Proportional to 546,886.20, 819,746.10 and 209,796.60

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Solution

The fourth proportional to 546,886.20, 819,746.10 and 209,796.60 is: 314,471.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,886.20 : 819,746.10 = 209,796.60 : x
  2. Step 2: Convert to fraction form
    546,886.20/819,746.10 = 209,796.60/x
  3. Step 3: Cross multiply
    546,886.20x = 819,746.10 × 209,796.60
  4. Step 4: Simplify right side
    546,886.20x = 171,979,944,643.26
  5. Step 5: Solve for x
    x = 171,979,944,643.26/546,886.20
  6. Step 6: Final answer
    x = 314,471.17

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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.