Home / 1,042,997.40-1,564,496.10-411,586.20

Finding the Fourth Proportional to 1,042,997.40, 1,564,496.10 and 411,586.20

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Solution

The fourth proportional to 1,042,997.40, 1,564,496.10 and 411,586.20 is: 617,379.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,997.40 : 1,564,496.10 = 411,586.20 : x
  2. Step 2: Convert to fraction form
    1,042,997.40/1,564,496.10 = 411,586.20/x
  3. Step 3: Cross multiply
    1,042,997.40x = 1,564,496.10 × 411,586.20
  4. Step 4: Simplify right side
    1,042,997.40x = 643,925,004,713.82
  5. Step 5: Solve for x
    x = 643,925,004,713.82/1,042,997.40
  6. Step 6: Final answer
    x = 617,379.30

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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.