Home / 683,137.40-1,024,706.10-433,998.20

Finding the Fourth Proportional to 683,137.40, 1,024,706.10 and 433,998.20

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Solution

The fourth proportional to 683,137.40, 1,024,706.10 and 433,998.20 is: 650,997.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,137.40 : 1,024,706.10 = 433,998.20 : x
  2. Step 2: Convert to fraction form
    683,137.40/1,024,706.10 = 433,998.20/x
  3. Step 3: Cross multiply
    683,137.40x = 1,024,706.10 × 433,998.20
  4. Step 4: Simplify right side
    683,137.40x = 444,720,602,929.02
  5. Step 5: Solve for x
    x = 444,720,602,929.02/683,137.40
  6. Step 6: Final answer
    x = 650,997.30

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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.