Home / 1,122,206.96-1,548,643.04-612,909.36

Finding the Fourth Proportional to 1,122,206.96, 1,548,643.04 and 612,909.36

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Solution

The fourth proportional to 1,122,206.96, 1,548,643.04 and 612,909.36 is: 845,813.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,206.96 : 1,548,643.04 = 612,909.36 : x
  2. Step 2: Convert to fraction form
    1,122,206.96/1,548,643.04 = 612,909.36/x
  3. Step 3: Cross multiply
    1,122,206.96x = 1,548,643.04 × 612,909.36
  4. Step 4: Simplify right side
    1,122,206.96x = 949,177,814,514.85
  5. Step 5: Solve for x
    x = 949,177,814,514.85/1,122,206.96
  6. Step 6: Final answer
    x = 845,813.52

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Double scale
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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.