Home / 1,238,223.81-1,857,024-479,805.02

Finding the Fourth Proportional to 1,238,223.81, 1,857,024 and 479,805.02

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Solution

The fourth proportional to 1,238,223.81, 1,857,024 and 479,805.02 is: 719,586.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,223.81 : 1,857,024 = 479,805.02 : x
  2. Step 2: Convert to fraction form
    1,238,223.81/1,857,024 = 479,805.02/x
  3. Step 3: Cross multiply
    1,238,223.81x = 1,857,024 × 479,805.02
  4. Step 4: Simplify right side
    1,238,223.81x = 891,009,437,460.48
  5. Step 5: Solve for x
    x = 891,009,437,460.48/1,238,223.81
  6. Step 6: Final answer
    x = 719,586.74

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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.