Home / 997,689.20-1,496,533.80-576,748.40

Finding the Fourth Proportional to 997,689.20, 1,496,533.80 and 576,748.40

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Solution

The fourth proportional to 997,689.20, 1,496,533.80 and 576,748.40 is: 865,122.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,689.20 : 1,496,533.80 = 576,748.40 : x
  2. Step 2: Convert to fraction form
    997,689.20/1,496,533.80 = 576,748.40/x
  3. Step 3: Cross multiply
    997,689.20x = 1,496,533.80 × 576,748.40
  4. Step 4: Simplify right side
    997,689.20x = 863,123,474,695.92
  5. Step 5: Solve for x
    x = 863,123,474,695.92/997,689.20
  6. Step 6: Final answer
    x = 865,122.60

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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.