Home / 1,277,808.02-1,916,884.83-436,133.78

Finding the Fourth Proportional to 1,277,808.02, 1,916,884.83 and 436,133.78

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Solution

The fourth proportional to 1,277,808.02, 1,916,884.83 and 436,133.78 is: 654,259.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,808.02 : 1,916,884.83 = 436,133.78 : x
  2. Step 2: Convert to fraction form
    1,277,808.02/1,916,884.83 = 436,133.78/x
  3. Step 3: Cross multiply
    1,277,808.02x = 1,916,884.83 × 436,133.78
  4. Step 4: Simplify right side
    1,277,808.02x = 836,018,226,732.56
  5. Step 5: Solve for x
    x = 836,018,226,732.56/1,277,808.02
  6. Step 6: Final answer
    x = 654,259.65

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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.