Home / 697,763.20-1,046,644.80-172,451.20

Finding the Fourth Proportional to 697,763.20, 1,046,644.80 and 172,451.20

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Solution

The fourth proportional to 697,763.20, 1,046,644.80 and 172,451.20 is: 258,676.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,763.20 : 1,046,644.80 = 172,451.20 : x
  2. Step 2: Convert to fraction form
    697,763.20/1,046,644.80 = 172,451.20/x
  3. Step 3: Cross multiply
    697,763.20x = 1,046,644.80 × 172,451.20
  4. Step 4: Simplify right side
    697,763.20x = 180,495,151,733.76
  5. Step 5: Solve for x
    x = 180,495,151,733.76/697,763.20
  6. Step 6: Final answer
    x = 258,676.80

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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.