Home / 5,250,897.40-7,876,346.10-1,261,809.40

Finding the Fourth Proportional to 5,250,897.40, 7,876,346.10 and 1,261,809.40

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Solution

The fourth proportional to 5,250,897.40, 7,876,346.10 and 1,261,809.40 is: 1,892,714.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250,897.40 : 7,876,346.10 = 1,261,809.40 : x
  2. Step 2: Convert to fraction form
    5,250,897.40/7,876,346.10 = 1,261,809.40/x
  3. Step 3: Cross multiply
    5,250,897.40x = 7,876,346.10 × 1,261,809.40
  4. Step 4: Simplify right side
    5,250,897.40x = 9,938,447,546,633.34
  5. Step 5: Solve for x
    x = 9,938,447,546,633.34/5,250,897.40
  6. Step 6: Final answer
    x = 1,892,714.10

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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.