Home / 841,996.80-1,262,606.40-368,438.40

Finding the Fourth Proportional to 841,996.80, 1,262,606.40 and 368,438.40

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Solution

The fourth proportional to 841,996.80, 1,262,606.40 and 368,438.40 is: 552,487.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,996.80 : 1,262,606.40 = 368,438.40 : x
  2. Step 2: Convert to fraction form
    841,996.80/1,262,606.40 = 368,438.40/x
  3. Step 3: Cross multiply
    841,996.80x = 1,262,606.40 × 368,438.40
  4. Step 4: Simplify right side
    841,996.80x = 465,192,681,845.76
  5. Step 5: Solve for x
    x = 465,192,681,845.76/841,996.80
  6. Step 6: Final answer
    x = 552,487.47

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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.