Home / 370,974.20-556,634.10-193,681.40

Finding the Fourth Proportional to 370,974.20, 556,634.10 and 193,681.40

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Solution

The fourth proportional to 370,974.20, 556,634.10 and 193,681.40 is: 290,612.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,974.20 : 556,634.10 = 193,681.40 : x
  2. Step 2: Convert to fraction form
    370,974.20/556,634.10 = 193,681.40/x
  3. Step 3: Cross multiply
    370,974.20x = 556,634.10 × 193,681.40
  4. Step 4: Simplify right side
    370,974.20x = 107,809,671,775.74
  5. Step 5: Solve for x
    x = 107,809,671,775.74/370,974.20
  6. Step 6: Final answer
    x = 290,612.32

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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.