Home / 941,008.86-1,410,720.21-408,128.76

Finding the Fourth Proportional to 941,008.86, 1,410,720.21 and 408,128.76

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Solution

The fourth proportional to 941,008.86, 1,410,720.21 and 408,128.76 is: 611,849.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,008.86 : 1,410,720.21 = 408,128.76 : x
  2. Step 2: Convert to fraction form
    941,008.86/1,410,720.21 = 408,128.76/x
  3. Step 3: Cross multiply
    941,008.86x = 1,410,720.21 × 408,128.76
  4. Step 4: Simplify right side
    941,008.86x = 575,755,490,014.24
  5. Step 5: Solve for x
    x = 575,755,490,014.24/941,008.86
  6. Step 6: Final answer
    x = 611,849.17

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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.