Home / 940,499.60-1,411,354.20-520,077.20

Finding the Fourth Proportional to 940,499.60, 1,411,354.20 and 520,077.20

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Solution

The fourth proportional to 940,499.60, 1,411,354.20 and 520,077.20 is: 780,450.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,499.60 : 1,411,354.20 = 520,077.20 : x
  2. Step 2: Convert to fraction form
    940,499.60/1,411,354.20 = 520,077.20/x
  3. Step 3: Cross multiply
    940,499.60x = 1,411,354.20 × 520,077.20
  4. Step 4: Simplify right side
    940,499.60x = 734,013,140,544.24
  5. Step 5: Solve for x
    x = 734,013,140,544.24/940,499.60
  6. Step 6: Final answer
    x = 780,450.24

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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.