Home / 4,442,479.20-6,663,718.80-1,247,709.60

Finding the Fourth Proportional to 4,442,479.20, 6,663,718.80 and 1,247,709.60

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Solution

The fourth proportional to 4,442,479.20, 6,663,718.80 and 1,247,709.60 is: 1,871,564.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,442,479.20 : 6,663,718.80 = 1,247,709.60 : x
  2. Step 2: Convert to fraction form
    4,442,479.20/6,663,718.80 = 1,247,709.60/x
  3. Step 3: Cross multiply
    4,442,479.20x = 6,663,718.80 × 1,247,709.60
  4. Step 4: Simplify right side
    4,442,479.20x = 8,314,385,918,460.48
  5. Step 5: Solve for x
    x = 8,314,385,918,460.48/4,442,479.20
  6. Step 6: Final answer
    x = 1,871,564.40

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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.