Home / 546,000.28-819,000.54-213,343

Finding the Fourth Proportional to 546,000.28, 819,000.54 and 213,343

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Solution

The fourth proportional to 546,000.28, 819,000.54 and 213,343 is: 320,014.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,000.28 : 819,000.54 = 213,343 : x
  2. Step 2: Convert to fraction form
    546,000.28/819,000.54 = 213,343/x
  3. Step 3: Cross multiply
    546,000.28x = 819,000.54 × 213,343
  4. Step 4: Simplify right side
    546,000.28x = 174,728,032,205.22
  5. Step 5: Solve for x
    x = 174,728,032,205.22/546,000.28
  6. Step 6: Final answer
    x = 320,014.55

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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.