Home / 919,997.55-1,378,848.15-470,897.10

Finding the Fourth Proportional to 919,997.55, 1,378,848.15 and 470,897.10

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Solution

The fourth proportional to 919,997.55, 1,378,848.15 and 470,897.10 is: 705,757.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,997.55 : 1,378,848.15 = 470,897.10 : x
  2. Step 2: Convert to fraction form
    919,997.55/1,378,848.15 = 470,897.10/x
  3. Step 3: Cross multiply
    919,997.55x = 1,378,848.15 × 470,897.10
  4. Step 4: Simplify right side
    919,997.55x = 649,295,595,175.37
  5. Step 5: Solve for x
    x = 649,295,595,175.37/919,997.55
  6. Step 6: Final answer
    x = 705,757.96

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Double scale
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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.