Home / 506,117.03-698,420.25-299,519.33

Finding the Fourth Proportional to 506,117.03, 698,420.25 and 299,519.33

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Solution

The fourth proportional to 506,117.03, 698,420.25 and 299,519.33 is: 413,324.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,117.03 : 698,420.25 = 299,519.33 : x
  2. Step 2: Convert to fraction form
    506,117.03/698,420.25 = 299,519.33/x
  3. Step 3: Cross multiply
    506,117.03x = 698,420.25 × 299,519.33
  4. Step 4: Simplify right side
    506,117.03x = 209,190,361,846.33
  5. Step 5: Solve for x
    x = 209,190,361,846.33/506,117.03
  6. Step 6: Final answer
    x = 413,324.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.