Home / 686,648.52-1,029,836.70-554,301

Finding the Fourth Proportional to 686,648.52, 1,029,836.70 and 554,301

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Solution

The fourth proportional to 686,648.52, 1,029,836.70 and 554,301 is: 831,341.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,648.52 : 1,029,836.70 = 554,301 : x
  2. Step 2: Convert to fraction form
    686,648.52/1,029,836.70 = 554,301/x
  3. Step 3: Cross multiply
    686,648.52x = 1,029,836.70 × 554,301
  4. Step 4: Simplify right side
    686,648.52x = 570,839,512,646.70
  5. Step 5: Solve for x
    x = 570,839,512,646.70/686,648.52
  6. Step 6: Final answer
    x = 831,341.65

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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.