Home / 994,439.95-1,372,290.84-607,902.76

Finding the Fourth Proportional to 994,439.95, 1,372,290.84 and 607,902.76

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Solution

The fourth proportional to 994,439.95, 1,372,290.84 and 607,902.76 is: 838,883.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,439.95 : 1,372,290.84 = 607,902.76 : x
  2. Step 2: Convert to fraction form
    994,439.95/1,372,290.84 = 607,902.76/x
  3. Step 3: Cross multiply
    994,439.95x = 1,372,290.84 × 607,902.76
  4. Step 4: Simplify right side
    994,439.95x = 834,219,389,158.72
  5. Step 5: Solve for x
    x = 834,219,389,158.72/994,439.95
  6. Step 6: Final answer
    x = 838,883.62

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Half scale
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Double scale
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Similar ratio
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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.