Home / 825,801.60-1,238,702.40-452,553.60

Finding the Fourth Proportional to 825,801.60, 1,238,702.40 and 452,553.60

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Solution

The fourth proportional to 825,801.60, 1,238,702.40 and 452,553.60 is: 678,830.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,801.60 : 1,238,702.40 = 452,553.60 : x
  2. Step 2: Convert to fraction form
    825,801.60/1,238,702.40 = 452,553.60/x
  3. Step 3: Cross multiply
    825,801.60x = 1,238,702.40 × 452,553.60
  4. Step 4: Simplify right side
    825,801.60x = 560,579,230,448.64
  5. Step 5: Solve for x
    x = 560,579,230,448.64/825,801.60
  6. Step 6: Final answer
    x = 678,830.40

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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.