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Finding the Fourth Proportional to 889,244.76, 1,227,043.50 and 507,248.76

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Solution

The fourth proportional to 889,244.76, 1,227,043.50 and 507,248.76 is: 699,938.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,244.76 : 1,227,043.50 = 507,248.76 : x
  2. Step 2: Convert to fraction form
    889,244.76/1,227,043.50 = 507,248.76/x
  3. Step 3: Cross multiply
    889,244.76x = 1,227,043.50 × 507,248.76
  4. Step 4: Simplify right side
    889,244.76x = 622,416,293,841.06
  5. Step 5: Solve for x
    x = 622,416,293,841.06/889,244.76
  6. Step 6: Final answer
    x = 699,938.11

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Half scale
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Double scale
Find fourth proportional to 889,245.76, 1,227,044.88 and 507,249.76
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.