Home / 1,132,181.64-1,698,216.98-422,154.14

Finding the Fourth Proportional to 1,132,181.64, 1,698,216.98 and 422,154.14

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Solution

The fourth proportional to 1,132,181.64, 1,698,216.98 and 422,154.14 is: 633,210.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,181.64 : 1,698,216.98 = 422,154.14 : x
  2. Step 2: Convert to fraction form
    1,132,181.64/1,698,216.98 = 422,154.14/x
  3. Step 3: Cross multiply
    1,132,181.64x = 1,698,216.98 × 422,154.14
  4. Step 4: Simplify right side
    1,132,181.64x = 716,909,318,123.44
  5. Step 5: Solve for x
    x = 716,909,318,123.44/1,132,181.64
  6. Step 6: Final answer
    x = 633,210.51

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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.