Home / 866,527.54-1,300,429.83-411,120.46

Finding the Fourth Proportional to 866,527.54, 1,300,429.83 and 411,120.46

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Solution

The fourth proportional to 866,527.54, 1,300,429.83 and 411,120.46 is: 616,983.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,527.54 : 1,300,429.83 = 411,120.46 : x
  2. Step 2: Convert to fraction form
    866,527.54/1,300,429.83 = 411,120.46/x
  3. Step 3: Cross multiply
    866,527.54x = 1,300,429.83 × 411,120.46
  4. Step 4: Simplify right side
    866,527.54x = 534,633,309,907.32
  5. Step 5: Solve for x
    x = 534,633,309,907.32/866,527.54
  6. Step 6: Final answer
    x = 616,983.63

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Double scale
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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.