Home / 370,971.10-556,456.65-346,087.90

Finding the Fourth Proportional to 370,971.10, 556,456.65 and 346,087.90

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Solution

The fourth proportional to 370,971.10, 556,456.65 and 346,087.90 is: 519,131.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,971.10 : 556,456.65 = 346,087.90 : x
  2. Step 2: Convert to fraction form
    370,971.10/556,456.65 = 346,087.90/x
  3. Step 3: Cross multiply
    370,971.10x = 556,456.65 × 346,087.90
  4. Step 4: Simplify right side
    370,971.10x = 192,582,913,439.54
  5. Step 5: Solve for x
    x = 192,582,913,439.54/370,971.10
  6. Step 6: Final answer
    x = 519,131.85

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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.