Home / 674,805.20-1,011,916.20-337,715.60

Finding the Fourth Proportional to 674,805.20, 1,011,916.20 and 337,715.60

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Solution

The fourth proportional to 674,805.20, 1,011,916.20 and 337,715.60 is: 506,427.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,805.20 : 1,011,916.20 = 337,715.60 : x
  2. Step 2: Convert to fraction form
    674,805.20/1,011,916.20 = 337,715.60/x
  3. Step 3: Cross multiply
    674,805.20x = 1,011,916.20 × 337,715.60
  4. Step 4: Simplify right side
    674,805.20x = 341,739,886,632.72
  5. Step 5: Solve for x
    x = 341,739,886,632.72/674,805.20
  6. Step 6: Final answer
    x = 506,427.46

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