Home / 996,637.80-1,494,956.70-919,655.40

Finding the Fourth Proportional to 996,637.80, 1,494,956.70 and 919,655.40

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Solution

The fourth proportional to 996,637.80, 1,494,956.70 and 919,655.40 is: 1,379,483.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,637.80 : 1,494,956.70 = 919,655.40 : x
  2. Step 2: Convert to fraction form
    996,637.80/1,494,956.70 = 919,655.40/x
  3. Step 3: Cross multiply
    996,637.80x = 1,494,956.70 × 919,655.40
  4. Step 4: Simplify right side
    996,637.80x = 1,374,845,001,921.18
  5. Step 5: Solve for x
    x = 1,374,845,001,921.18/996,637.80
  6. Step 6: Final answer
    x = 1,379,483.10

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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.