Home / 546,210.88-819,139.02-209,233.60

Finding the Fourth Proportional to 546,210.88, 819,139.02 and 209,233.60

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Solution

The fourth proportional to 546,210.88, 819,139.02 and 209,233.60 is: 313,782.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,210.88 : 819,139.02 = 209,233.60 : x
  2. Step 2: Convert to fraction form
    546,210.88/819,139.02 = 209,233.60/x
  3. Step 3: Cross multiply
    546,210.88x = 819,139.02 × 209,233.60
  4. Step 4: Simplify right side
    546,210.88x = 171,391,406,055.07
  5. Step 5: Solve for x
    x = 171,391,406,055.07/546,210.88
  6. Step 6: Final answer
    x = 313,782.48

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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.