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Finding the Fourth Proportional to 994,767.84, 1,372,730.76 and 564,991.56

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Solution

The fourth proportional to 994,767.84, 1,372,730.76 and 564,991.56 is: 779,660.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,767.84 : 1,372,730.76 = 564,991.56 : x
  2. Step 2: Convert to fraction form
    994,767.84/1,372,730.76 = 564,991.56/x
  3. Step 3: Cross multiply
    994,767.84x = 1,372,730.76 × 564,991.56
  4. Step 4: Simplify right side
    994,767.84x = 775,581,293,552.39
  5. Step 5: Solve for x
    x = 775,581,293,552.39/994,767.84
  6. Step 6: Final answer
    x = 779,660.60

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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.