Home / 4,308,243.20-6,462,364.80-1,275,718.40

Finding the Fourth Proportional to 4,308,243.20, 6,462,364.80 and 1,275,718.40

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Solution

The fourth proportional to 4,308,243.20, 6,462,364.80 and 1,275,718.40 is: 1,913,577.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,308,243.20 : 6,462,364.80 = 1,275,718.40 : x
  2. Step 2: Convert to fraction form
    4,308,243.20/6,462,364.80 = 1,275,718.40/x
  3. Step 3: Cross multiply
    4,308,243.20x = 6,462,364.80 × 1,275,718.40
  4. Step 4: Simplify right side
    4,308,243.20x = 8,244,157,682,872.32
  5. Step 5: Solve for x
    x = 8,244,157,682,872.32/4,308,243.20
  6. Step 6: Final answer
    x = 1,913,577.60

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Similar ratio
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1.5x scale

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.