Home / 841,341.86-1,261,505.34-392,163.50

Finding the Fourth Proportional to 841,341.86, 1,261,505.34 and 392,163.50

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Solution

The fourth proportional to 841,341.86, 1,261,505.34 and 392,163.50 is: 588,008.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,341.86 : 1,261,505.34 = 392,163.50 : x
  2. Step 2: Convert to fraction form
    841,341.86/1,261,505.34 = 392,163.50/x
  3. Step 3: Cross multiply
    841,341.86x = 1,261,505.34 × 392,163.50
  4. Step 4: Simplify right side
    841,341.86x = 494,716,349,008.87
  5. Step 5: Solve for x
    x = 494,716,349,008.87/841,341.86
  6. Step 6: Final answer
    x = 588,008.72

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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.