Home / 1,226,679.42-1,840,315.59-385,231.17

Finding the Fourth Proportional to 1,226,679.42, 1,840,315.59 and 385,231.17

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Solution

The fourth proportional to 1,226,679.42, 1,840,315.59 and 385,231.17 is: 577,939.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,679.42 : 1,840,315.59 = 385,231.17 : x
  2. Step 2: Convert to fraction form
    1,226,679.42/1,840,315.59 = 385,231.17/x
  3. Step 3: Cross multiply
    1,226,679.42x = 1,840,315.59 × 385,231.17
  4. Step 4: Simplify right side
    1,226,679.42x = 708,946,927,904.94
  5. Step 5: Solve for x
    x = 708,946,927,904.94/1,226,679.42
  6. Step 6: Final answer
    x = 577,939.86

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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.