Home / 910,419.90-1,365,629.85-236,445.90

Finding the Fourth Proportional to 910,419.90, 1,365,629.85 and 236,445.90

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Solution

The fourth proportional to 910,419.90, 1,365,629.85 and 236,445.90 is: 354,668.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,419.90 : 1,365,629.85 = 236,445.90 : x
  2. Step 2: Convert to fraction form
    910,419.90/1,365,629.85 = 236,445.90/x
  3. Step 3: Cross multiply
    910,419.90x = 1,365,629.85 × 236,445.90
  4. Step 4: Simplify right side
    910,419.90x = 322,897,578,950.12
  5. Step 5: Solve for x
    x = 322,897,578,950.12/910,419.90
  6. Step 6: Final answer
    x = 354,668.85

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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.