Home / 1,581,739.69-2,182,797.44-856,585.16

Finding the Fourth Proportional to 1,581,739.69, 2,182,797.44 and 856,585.16

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Solution

The fourth proportional to 1,581,739.69, 2,182,797.44 and 856,585.16 is: 1,182,085.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,739.69 : 2,182,797.44 = 856,585.16 : x
  2. Step 2: Convert to fraction form
    1,581,739.69/2,182,797.44 = 856,585.16/x
  3. Step 3: Cross multiply
    1,581,739.69x = 2,182,797.44 × 856,585.16
  4. Step 4: Simplify right side
    1,581,739.69x = 1,869,751,901,988.45
  5. Step 5: Solve for x
    x = 1,869,751,901,988.45/1,581,739.69
  6. Step 6: Final answer
    x = 1,182,085.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.