Home / 841,105.17-1,161,141.48-518,992.74

Finding the Fourth Proportional to 841,105.17, 1,161,141.48 and 518,992.74

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Solution

The fourth proportional to 841,105.17, 1,161,141.48 and 518,992.74 is: 716,466.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,105.17 : 1,161,141.48 = 518,992.74 : x
  2. Step 2: Convert to fraction form
    841,105.17/1,161,141.48 = 518,992.74/x
  3. Step 3: Cross multiply
    841,105.17x = 1,161,141.48 × 518,992.74
  4. Step 4: Simplify right side
    841,105.17x = 602,623,998,232.86
  5. Step 5: Solve for x
    x = 602,623,998,232.86/841,105.17
  6. Step 6: Final answer
    x = 716,466.88

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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.