Home / 1,581,392.18-2,182,322.24-856,240.39

Finding the Fourth Proportional to 1,581,392.18, 2,182,322.24 and 856,240.39

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Solution

The fourth proportional to 1,581,392.18, 2,182,322.24 and 856,240.39 is: 1,181,612.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,392.18 : 2,182,322.24 = 856,240.39 : x
  2. Step 2: Convert to fraction form
    1,581,392.18/2,182,322.24 = 856,240.39/x
  3. Step 3: Cross multiply
    1,581,392.18x = 2,182,322.24 × 856,240.39
  4. Step 4: Simplify right side
    1,581,392.18x = 1,868,592,452,357.23
  5. Step 5: Solve for x
    x = 1,868,592,452,357.23/1,581,392.18
  6. Step 6: Final answer
    x = 1,181,612.30

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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.