Home / 1,005,126.92-1,507,690.70-365,311.86

Finding the Fourth Proportional to 1,005,126.92, 1,507,690.70 and 365,311.86

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Solution

The fourth proportional to 1,005,126.92, 1,507,690.70 and 365,311.86 is: 547,967.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,126.92 : 1,507,690.70 = 365,311.86 : x
  2. Step 2: Convert to fraction form
    1,005,126.92/1,507,690.70 = 365,311.86/x
  3. Step 3: Cross multiply
    1,005,126.92x = 1,507,690.70 × 365,311.86
  4. Step 4: Simplify right side
    1,005,126.92x = 550,777,292,095.14
  5. Step 5: Solve for x
    x = 550,777,292,095.14/1,005,126.92
  6. Step 6: Final answer
    x = 547,967.91

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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.