Home / 1,119,797.22-1,545,320.12-636,363.30

Finding the Fourth Proportional to 1,119,797.22, 1,545,320.12 and 636,363.30

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Solution

The fourth proportional to 1,119,797.22, 1,545,320.12 and 636,363.30 is: 878,181.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,797.22 : 1,545,320.12 = 636,363.30 : x
  2. Step 2: Convert to fraction form
    1,119,797.22/1,545,320.12 = 636,363.30/x
  3. Step 3: Cross multiply
    1,119,797.22x = 1,545,320.12 × 636,363.30
  4. Step 4: Simplify right side
    1,119,797.22x = 983,385,011,119.60
  5. Step 5: Solve for x
    x = 983,385,011,119.60/1,119,797.22
  6. Step 6: Final answer
    x = 878,181.33

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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.