Home / 829,235.80-1,243,853.70-563,515.30

Finding the Fourth Proportional to 829,235.80, 1,243,853.70 and 563,515.30

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Solution

The fourth proportional to 829,235.80, 1,243,853.70 and 563,515.30 is: 845,272.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,235.80 : 1,243,853.70 = 563,515.30 : x
  2. Step 2: Convert to fraction form
    829,235.80/1,243,853.70 = 563,515.30/x
  3. Step 3: Cross multiply
    829,235.80x = 1,243,853.70 × 563,515.30
  4. Step 4: Simplify right side
    829,235.80x = 700,930,590,911.61
  5. Step 5: Solve for x
    x = 700,930,590,911.61/829,235.80
  6. Step 6: Final answer
    x = 845,272.95

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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.