Home / 851,044.20-1,276,566.30-473,130.60

Finding the Fourth Proportional to 851,044.20, 1,276,566.30 and 473,130.60

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Solution

The fourth proportional to 851,044.20, 1,276,566.30 and 473,130.60 is: 709,695.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,044.20 : 1,276,566.30 = 473,130.60 : x
  2. Step 2: Convert to fraction form
    851,044.20/1,276,566.30 = 473,130.60/x
  3. Step 3: Cross multiply
    851,044.20x = 1,276,566.30 × 473,130.60
  4. Step 4: Simplify right side
    851,044.20x = 603,982,579,458.78
  5. Step 5: Solve for x
    x = 603,982,579,458.78/851,044.20
  6. Step 6: Final answer
    x = 709,695.90

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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.