Home / 1,241,157.90-1,861,699.80-342,654.46

Finding the Fourth Proportional to 1,241,157.90, 1,861,699.80 and 342,654.46

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Solution

The fourth proportional to 1,241,157.90, 1,861,699.80 and 342,654.46 is: 513,971.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,157.90 : 1,861,699.80 = 342,654.46 : x
  2. Step 2: Convert to fraction form
    1,241,157.90/1,861,699.80 = 342,654.46/x
  3. Step 3: Cross multiply
    1,241,157.90x = 1,861,699.80 × 342,654.46
  4. Step 4: Simplify right side
    1,241,157.90x = 637,919,739,651.11
  5. Step 5: Solve for x
    x = 637,919,739,651.11/1,241,157.90
  6. Step 6: Final answer
    x = 513,971.46

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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.