Home / 669,257.80-1,003,886.70-610,160.20

Finding the Fourth Proportional to 669,257.80, 1,003,886.70 and 610,160.20

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Solution

The fourth proportional to 669,257.80, 1,003,886.70 and 610,160.20 is: 915,240.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,257.80 : 1,003,886.70 = 610,160.20 : x
  2. Step 2: Convert to fraction form
    669,257.80/1,003,886.70 = 610,160.20/x
  3. Step 3: Cross multiply
    669,257.80x = 1,003,886.70 × 610,160.20
  4. Step 4: Simplify right side
    669,257.80x = 612,531,709,649.34
  5. Step 5: Solve for x
    x = 612,531,709,649.34/669,257.80
  6. Step 6: Final answer
    x = 915,240.30

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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.