Home / 988,123.70-1,482,273.30-411,619.70

Finding the Fourth Proportional to 988,123.70, 1,482,273.30 and 411,619.70

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Solution

The fourth proportional to 988,123.70, 1,482,273.30 and 411,619.70 is: 617,466.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,123.70 : 1,482,273.30 = 411,619.70 : x
  2. Step 2: Convert to fraction form
    988,123.70/1,482,273.30 = 411,619.70/x
  3. Step 3: Cross multiply
    988,123.70x = 1,482,273.30 × 411,619.70
  4. Step 4: Simplify right side
    988,123.70x = 610,132,891,064.01
  5. Step 5: Solve for x
    x = 610,132,891,064.01/988,123.70
  6. Step 6: Final answer
    x = 617,466.10

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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.