Home / 669,902.30-1,004,853.45-606,916.70

Finding the Fourth Proportional to 669,902.30, 1,004,853.45 and 606,916.70

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Solution

The fourth proportional to 669,902.30, 1,004,853.45 and 606,916.70 is: 910,375.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,902.30 : 1,004,853.45 = 606,916.70 : x
  2. Step 2: Convert to fraction form
    669,902.30/1,004,853.45 = 606,916.70/x
  3. Step 3: Cross multiply
    669,902.30x = 1,004,853.45 × 606,916.70
  4. Step 4: Simplify right side
    669,902.30x = 609,862,339,857.62
  5. Step 5: Solve for x
    x = 609,862,339,857.62/669,902.30
  6. Step 6: Final answer
    x = 910,375.05

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.