Home / 1,441,685.84-1,989,477.72-829,753.65

Finding the Fourth Proportional to 1,441,685.84, 1,989,477.72 and 829,753.65

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Solution

The fourth proportional to 1,441,685.84, 1,989,477.72 and 829,753.65 is: 1,145,031.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441,685.84 : 1,989,477.72 = 829,753.65 : x
  2. Step 2: Convert to fraction form
    1,441,685.84/1,989,477.72 = 829,753.65/x
  3. Step 3: Cross multiply
    1,441,685.84x = 1,989,477.72 × 829,753.65
  4. Step 4: Simplify right side
    1,441,685.84x = 1,650,776,399,763.68
  5. Step 5: Solve for x
    x = 1,650,776,399,763.68/1,441,685.84
  6. Step 6: Final answer
    x = 1,145,031.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.