Home / 1,123,683.32-1,685,758.26-375,709.88

Finding the Fourth Proportional to 1,123,683.32, 1,685,758.26 and 375,709.88

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Solution

The fourth proportional to 1,123,683.32, 1,685,758.26 and 375,709.88 is: 563,642.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,683.32 : 1,685,758.26 = 375,709.88 : x
  2. Step 2: Convert to fraction form
    1,123,683.32/1,685,758.26 = 375,709.88/x
  3. Step 3: Cross multiply
    1,123,683.32x = 1,685,758.26 × 375,709.88
  4. Step 4: Simplify right side
    1,123,683.32x = 633,356,033,573.61
  5. Step 5: Solve for x
    x = 633,356,033,573.61/1,123,683.32
  6. Step 6: Final answer
    x = 563,642.82

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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.