Home / 1,289,410-1,934,003.58-436,463.36

Finding the Fourth Proportional to 1,289,410, 1,934,003.58 and 436,463.36

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Solution

The fourth proportional to 1,289,410, 1,934,003.58 and 436,463.36 is: 654,657.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,410 : 1,934,003.58 = 436,463.36 : x
  2. Step 2: Convert to fraction form
    1,289,410/1,934,003.58 = 436,463.36/x
  3. Step 3: Cross multiply
    1,289,410x = 1,934,003.58 × 436,463.36
  4. Step 4: Simplify right side
    1,289,410x = 844,121,700,778.83
  5. Step 5: Solve for x
    x = 844,121,700,778.83/1,289,410
  6. Step 6: Final answer
    x = 654,657.32

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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.