Home / 295,401.02-406,627.17-257,609.66

Finding the Fourth Proportional to 295,401.02, 406,627.17 and 257,609.66

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Solution

The fourth proportional to 295,401.02, 406,627.17 and 257,609.66 is: 354,606.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,401.02 : 406,627.17 = 257,609.66 : x
  2. Step 2: Convert to fraction form
    295,401.02/406,627.17 = 257,609.66/x
  3. Step 3: Cross multiply
    295,401.02x = 406,627.17 × 257,609.66
  4. Step 4: Simplify right side
    295,401.02x = 104,751,087,010.46
  5. Step 5: Solve for x
    x = 104,751,087,010.46/295,401.02
  6. Step 6: Final answer
    x = 354,606.38

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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.