Home / 1,309,017.96-1,963,551.24-410,439.60

Finding the Fourth Proportional to 1,309,017.96, 1,963,551.24 and 410,439.60

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Solution

The fourth proportional to 1,309,017.96, 1,963,551.24 and 410,439.60 is: 615,667.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,017.96 : 1,963,551.24 = 410,439.60 : x
  2. Step 2: Convert to fraction form
    1,309,017.96/1,963,551.24 = 410,439.60/x
  3. Step 3: Cross multiply
    1,309,017.96x = 1,963,551.24 × 410,439.60
  4. Step 4: Simplify right side
    1,309,017.96x = 805,919,185,525.10
  5. Step 5: Solve for x
    x = 805,919,185,525.10/1,309,017.96
  6. Step 6: Final answer
    x = 615,667.02

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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.