Home / 546,828.20-819,659.10-209,738.60

Finding the Fourth Proportional to 546,828.20, 819,659.10 and 209,738.60

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Solution

The fourth proportional to 546,828.20, 819,659.10 and 209,738.60 is: 314,384.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,828.20 : 819,659.10 = 209,738.60 : x
  2. Step 2: Convert to fraction form
    546,828.20/819,659.10 = 209,738.60/x
  3. Step 3: Cross multiply
    546,828.20x = 819,659.10 × 209,738.60
  4. Step 4: Simplify right side
    546,828.20x = 171,914,152,111.26
  5. Step 5: Solve for x
    x = 171,914,152,111.26/546,828.20
  6. Step 6: Final answer
    x = 314,384.21

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1.5x scale

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.