Home / 994,392.81-1,372,221.90-607,855.59

Finding the Fourth Proportional to 994,392.81, 1,372,221.90 and 607,855.59

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Solution

The fourth proportional to 994,392.81, 1,372,221.90 and 607,855.59 is: 838,816.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,392.81 : 1,372,221.90 = 607,855.59 : x
  2. Step 2: Convert to fraction form
    994,392.81/1,372,221.90 = 607,855.59/x
  3. Step 3: Cross multiply
    994,392.81x = 1,372,221.90 × 607,855.59
  4. Step 4: Simplify right side
    994,392.81x = 834,112,752,635.42
  5. Step 5: Solve for x
    x = 834,112,752,635.42/994,392.81
  6. Step 6: Final answer
    x = 838,816.15

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Double scale
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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.