Home / 714,624.04-1,072,380.48-445,280.95

Finding the Fourth Proportional to 714,624.04, 1,072,380.48 and 445,280.95

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Solution

The fourth proportional to 714,624.04, 1,072,380.48 and 445,280.95 is: 668,198.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,624.04 : 1,072,380.48 = 445,280.95 : x
  2. Step 2: Convert to fraction form
    714,624.04/1,072,380.48 = 445,280.95/x
  3. Step 3: Cross multiply
    714,624.04x = 1,072,380.48 × 445,280.95
  4. Step 4: Simplify right side
    714,624.04x = 477,510,598,895.86
  5. Step 5: Solve for x
    x = 477,510,598,895.86/714,624.04
  6. Step 6: Final answer
    x = 668,198.34

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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.