Home / 816,477.42-1,127,288.67-730,168.62

Finding the Fourth Proportional to 816,477.42, 1,127,288.67 and 730,168.62

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Solution

The fourth proportional to 816,477.42, 1,127,288.67 and 730,168.62 is: 1,008,124.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,477.42 : 1,127,288.67 = 730,168.62 : x
  2. Step 2: Convert to fraction form
    816,477.42/1,127,288.67 = 730,168.62/x
  3. Step 3: Cross multiply
    816,477.42x = 1,127,288.67 × 730,168.62
  4. Step 4: Simplify right side
    816,477.42x = 823,110,812,515.54
  5. Step 5: Solve for x
    x = 823,110,812,515.54/816,477.42
  6. Step 6: Final answer
    x = 1,008,124.40

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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.