Home / 907,491.20-1,361,236.80-590,230.40

Finding the Fourth Proportional to 907,491.20, 1,361,236.80 and 590,230.40

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Solution

The fourth proportional to 907,491.20, 1,361,236.80 and 590,230.40 is: 885,345.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,491.20 : 1,361,236.80 = 590,230.40 : x
  2. Step 2: Convert to fraction form
    907,491.20/1,361,236.80 = 590,230.40/x
  3. Step 3: Cross multiply
    907,491.20x = 1,361,236.80 × 590,230.40
  4. Step 4: Simplify right side
    907,491.20x = 803,443,340,958.72
  5. Step 5: Solve for x
    x = 803,443,340,958.72/907,491.20
  6. Step 6: Final answer
    x = 885,345.60

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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.