Home / 898,410.30-1,347,615.45-662,214.30

Finding the Fourth Proportional to 898,410.30, 1,347,615.45 and 662,214.30

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Solution

The fourth proportional to 898,410.30, 1,347,615.45 and 662,214.30 is: 993,321.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,410.30 : 1,347,615.45 = 662,214.30 : x
  2. Step 2: Convert to fraction form
    898,410.30/1,347,615.45 = 662,214.30/x
  3. Step 3: Cross multiply
    898,410.30x = 1,347,615.45 × 662,214.30
  4. Step 4: Simplify right side
    898,410.30x = 892,410,221,890.94
  5. Step 5: Solve for x
    x = 892,410,221,890.94/898,410.30
  6. Step 6: Final answer
    x = 993,321.45

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Half scale
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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.