Home / 684,714.20-1,027,071.30-633,538.40

Finding the Fourth Proportional to 684,714.20, 1,027,071.30 and 633,538.40

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Solution

The fourth proportional to 684,714.20, 1,027,071.30 and 633,538.40 is: 950,307.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,714.20 : 1,027,071.30 = 633,538.40 : x
  2. Step 2: Convert to fraction form
    684,714.20/1,027,071.30 = 633,538.40/x
  3. Step 3: Cross multiply
    684,714.20x = 1,027,071.30 × 633,538.40
  4. Step 4: Simplify right side
    684,714.20x = 650,689,108,087.92
  5. Step 5: Solve for x
    x = 650,689,108,087.92/684,714.20
  6. Step 6: Final answer
    x = 950,307.60

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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.