Home / 449,038.20-619,681.74-247,833.72

Finding the Fourth Proportional to 449,038.20, 619,681.74 and 247,833.72

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Solution

The fourth proportional to 449,038.20, 619,681.74 and 247,833.72 is: 342,015.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,038.20 : 619,681.74 = 247,833.72 : x
  2. Step 2: Convert to fraction form
    449,038.20/619,681.74 = 247,833.72/x
  3. Step 3: Cross multiply
    449,038.20x = 619,681.74 × 247,833.72
  4. Step 4: Simplify right side
    449,038.20x = 153,578,030,840.27
  5. Step 5: Solve for x
    x = 153,578,030,840.27/449,038.20
  6. Step 6: Final answer
    x = 342,015.51

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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.