Home / 1,123,683.82-1,685,759.01-375,710.38

Finding the Fourth Proportional to 1,123,683.82, 1,685,759.01 and 375,710.38

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Solution

The fourth proportional to 1,123,683.82, 1,685,759.01 and 375,710.38 is: 563,643.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,683.82 : 1,685,759.01 = 375,710.38 : x
  2. Step 2: Convert to fraction form
    1,123,683.82/1,685,759.01 = 375,710.38/x
  3. Step 3: Cross multiply
    1,123,683.82x = 1,685,759.01 × 375,710.38
  4. Step 4: Simplify right side
    1,123,683.82x = 633,357,158,235.52
  5. Step 5: Solve for x
    x = 633,357,158,235.52/1,123,683.82
  6. Step 6: Final answer
    x = 563,643.57

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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.