Home / 1,810,012.30-2,714,216.55-611,609.20

Finding the Fourth Proportional to 1,810,012.30, 2,714,216.55 and 611,609.20

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Solution

The fourth proportional to 1,810,012.30, 2,714,216.55 and 611,609.20 is: 917,142.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,810,012.30 : 2,714,216.55 = 611,609.20 : x
  2. Step 2: Convert to fraction form
    1,810,012.30/2,714,216.55 = 611,609.20/x
  3. Step 3: Cross multiply
    1,810,012.30x = 2,714,216.55 × 611,609.20
  4. Step 4: Simplify right side
    1,810,012.30x = 1,660,039,812,772.26
  5. Step 5: Solve for x
    x = 1,660,039,812,772.26/1,810,012.30
  6. Step 6: Final answer
    x = 917,142.84

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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.