Home / 1,116,633.60-1,674,950.40-442,875.60

Finding the Fourth Proportional to 1,116,633.60, 1,674,950.40 and 442,875.60

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Solution

The fourth proportional to 1,116,633.60, 1,674,950.40 and 442,875.60 is: 664,313.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,633.60 : 1,674,950.40 = 442,875.60 : x
  2. Step 2: Convert to fraction form
    1,116,633.60/1,674,950.40 = 442,875.60/x
  3. Step 3: Cross multiply
    1,116,633.60x = 1,674,950.40 × 442,875.60
  4. Step 4: Simplify right side
    1,116,633.60x = 741,794,663,370.24
  5. Step 5: Solve for x
    x = 741,794,663,370.24/1,116,633.60
  6. Step 6: Final answer
    x = 664,313.40

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Double scale
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Similar ratio
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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.