Home / 893,312.80-1,339,969.20-294,366.40

Finding the Fourth Proportional to 893,312.80, 1,339,969.20 and 294,366.40

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Solution

The fourth proportional to 893,312.80, 1,339,969.20 and 294,366.40 is: 441,549.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,312.80 : 1,339,969.20 = 294,366.40 : x
  2. Step 2: Convert to fraction form
    893,312.80/1,339,969.20 = 294,366.40/x
  3. Step 3: Cross multiply
    893,312.80x = 1,339,969.20 × 294,366.40
  4. Step 4: Simplify right side
    893,312.80x = 394,441,909,514.88
  5. Step 5: Solve for x
    x = 394,441,909,514.88/893,312.80
  6. Step 6: Final answer
    x = 441,549.60

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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.