Home / 841,476.16-1,169,076.40-831,387.04

Finding the Fourth Proportional to 841,476.16, 1,169,076.40 and 831,387.04

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Solution

The fourth proportional to 841,476.16, 1,169,076.40 and 831,387.04 is: 1,155,059.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,476.16 : 1,169,076.40 = 831,387.04 : x
  2. Step 2: Convert to fraction form
    841,476.16/1,169,076.40 = 831,387.04/x
  3. Step 3: Cross multiply
    841,476.16x = 1,169,076.40 × 831,387.04
  4. Step 4: Simplify right side
    841,476.16x = 971,954,967,729.86
  5. Step 5: Solve for x
    x = 971,954,967,729.86/841,476.16
  6. Step 6: Final answer
    x = 1,155,059.42

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.