Home / 841,689.66-1,161,531.72-459,717.35

Finding the Fourth Proportional to 841,689.66, 1,161,531.72 and 459,717.35

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Solution

The fourth proportional to 841,689.66, 1,161,531.72 and 459,717.35 is: 634,409.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,689.66 : 1,161,531.72 = 459,717.35 : x
  2. Step 2: Convert to fraction form
    841,689.66/1,161,531.72 = 459,717.35/x
  3. Step 3: Cross multiply
    841,689.66x = 1,161,531.72 × 459,717.35
  4. Step 4: Simplify right side
    841,689.66x = 533,976,278,451.68
  5. Step 5: Solve for x
    x = 533,976,278,451.68/841,689.66
  6. Step 6: Final answer
    x = 634,409.93

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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.