Home / 1,679,612.20-2,519,406.78-417,437.80

Finding the Fourth Proportional to 1,679,612.20, 2,519,406.78 and 417,437.80

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Solution

The fourth proportional to 1,679,612.20, 2,519,406.78 and 417,437.80 is: 626,153.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,612.20 : 2,519,406.78 = 417,437.80 : x
  2. Step 2: Convert to fraction form
    1,679,612.20/2,519,406.78 = 417,437.80/x
  3. Step 3: Cross multiply
    1,679,612.20x = 2,519,406.78 × 417,437.80
  4. Step 4: Simplify right side
    1,679,612.20x = 1,051,695,623,548.28
  5. Step 5: Solve for x
    x = 1,051,695,623,548.28/1,679,612.20
  6. Step 6: Final answer
    x = 626,153.84

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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.