Home / 1,214,451.20-1,818,760.80-652,246.40

Finding the Fourth Proportional to 1,214,451.20, 1,818,760.80 and 652,246.40

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Solution

The fourth proportional to 1,214,451.20, 1,818,760.80 and 652,246.40 is: 976,803.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,451.20 : 1,818,760.80 = 652,246.40 : x
  2. Step 2: Convert to fraction form
    1,214,451.20/1,818,760.80 = 652,246.40/x
  3. Step 3: Cross multiply
    1,214,451.20x = 1,818,760.80 × 652,246.40
  4. Step 4: Simplify right side
    1,214,451.20x = 1,186,280,184,261.12
  5. Step 5: Solve for x
    x = 1,186,280,184,261.12/1,214,451.20
  6. Step 6: Final answer
    x = 976,803.50

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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.