Home / 909,033.80-1,363,550.70-310,670.60

Finding the Fourth Proportional to 909,033.80, 1,363,550.70 and 310,670.60

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Solution

The fourth proportional to 909,033.80, 1,363,550.70 and 310,670.60 is: 466,005.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,033.80 : 1,363,550.70 = 310,670.60 : x
  2. Step 2: Convert to fraction form
    909,033.80/1,363,550.70 = 310,670.60/x
  3. Step 3: Cross multiply
    909,033.80x = 1,363,550.70 × 310,670.60
  4. Step 4: Simplify right side
    909,033.80x = 423,615,114,099.42
  5. Step 5: Solve for x
    x = 423,615,114,099.42/909,033.80
  6. Step 6: Final answer
    x = 466,005.90

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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.