Home / 841,381.20-1,262,509.20-368,114.40

Finding the Fourth Proportional to 841,381.20, 1,262,509.20 and 368,114.40

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Solution

The fourth proportional to 841,381.20, 1,262,509.20 and 368,114.40 is: 552,362.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,381.20 : 1,262,509.20 = 368,114.40 : x
  2. Step 2: Convert to fraction form
    841,381.20/1,262,509.20 = 368,114.40/x
  3. Step 3: Cross multiply
    841,381.20x = 1,262,509.20 × 368,114.40
  4. Step 4: Simplify right side
    841,381.20x = 464,747,816,652.48
  5. Step 5: Solve for x
    x = 464,747,816,652.48/841,381.20
  6. Step 6: Final answer
    x = 552,362.97

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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.