Home / 1,140,234.76-1,573,458.78-630,906.76

Finding the Fourth Proportional to 1,140,234.76, 1,573,458.78 and 630,906.76

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Solution

The fourth proportional to 1,140,234.76, 1,573,458.78 and 630,906.76 is: 870,615.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,234.76 : 1,573,458.78 = 630,906.76 : x
  2. Step 2: Convert to fraction form
    1,140,234.76/1,573,458.78 = 630,906.76/x
  3. Step 3: Cross multiply
    1,140,234.76x = 1,573,458.78 × 630,906.76
  4. Step 4: Simplify right side
    1,140,234.76x = 992,705,780,883.35
  5. Step 5: Solve for x
    x = 992,705,780,883.35/1,140,234.76
  6. Step 6: Final answer
    x = 870,615.26

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.