Home / 1,236,235.20-1,853,467.20-477,427.20

Finding the Fourth Proportional to 1,236,235.20, 1,853,467.20 and 477,427.20

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Solution

The fourth proportional to 1,236,235.20, 1,853,467.20 and 477,427.20 is: 715,798.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,235.20 : 1,853,467.20 = 477,427.20 : x
  2. Step 2: Convert to fraction form
    1,236,235.20/1,853,467.20 = 477,427.20/x
  3. Step 3: Cross multiply
    1,236,235.20x = 1,853,467.20 × 477,427.20
  4. Step 4: Simplify right side
    1,236,235.20x = 884,895,655,587.84
  5. Step 5: Solve for x
    x = 884,895,655,587.84/1,236,235.20
  6. Step 6: Final answer
    x = 715,798.79

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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.