Home / 733,639.21-1,012,409.27-411,348.31

Finding the Fourth Proportional to 733,639.21, 1,012,409.27 and 411,348.31

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Solution

The fourth proportional to 733,639.21, 1,012,409.27 and 411,348.31 is: 567,653.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,639.21 : 1,012,409.27 = 411,348.31 : x
  2. Step 2: Convert to fraction form
    733,639.21/1,012,409.27 = 411,348.31/x
  3. Step 3: Cross multiply
    733,639.21x = 1,012,409.27 × 411,348.31
  4. Step 4: Simplify right side
    733,639.21x = 416,452,838,209.16
  5. Step 5: Solve for x
    x = 416,452,838,209.16/733,639.21
  6. Step 6: Final answer
    x = 567,653.47

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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.