Home / 415,943.38-623,890.44-116,417.32

Finding the Fourth Proportional to 415,943.38, 623,890.44 and 116,417.32

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Solution

The fourth proportional to 415,943.38, 623,890.44 and 116,417.32 is: 174,619.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,943.38 : 623,890.44 = 116,417.32 : x
  2. Step 2: Convert to fraction form
    415,943.38/623,890.44 = 116,417.32/x
  3. Step 3: Cross multiply
    415,943.38x = 623,890.44 × 116,417.32
  4. Step 4: Simplify right side
    415,943.38x = 72,631,652,998.42
  5. Step 5: Solve for x
    x = 72,631,652,998.42/415,943.38
  6. Step 6: Final answer
    x = 174,619.09

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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.