Home / 683,461.04-943,204.87-393,072.80

Finding the Fourth Proportional to 683,461.04, 943,204.87 and 393,072.80

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Solution

The fourth proportional to 683,461.04, 943,204.87 and 393,072.80 is: 542,456.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,461.04 : 943,204.87 = 393,072.80 : x
  2. Step 2: Convert to fraction form
    683,461.04/943,204.87 = 393,072.80/x
  3. Step 3: Cross multiply
    683,461.04x = 943,204.87 × 393,072.80
  4. Step 4: Simplify right side
    683,461.04x = 370,748,177,259.17
  5. Step 5: Solve for x
    x = 370,748,177,259.17/683,461.04
  6. Step 6: Final answer
    x = 542,456.93

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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.