Home / 910,419.40-1,365,629.10-236,445.40

Finding the Fourth Proportional to 910,419.40, 1,365,629.10 and 236,445.40

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Solution

The fourth proportional to 910,419.40, 1,365,629.10 and 236,445.40 is: 354,668.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,419.40 : 1,365,629.10 = 236,445.40 : x
  2. Step 2: Convert to fraction form
    910,419.40/1,365,629.10 = 236,445.40/x
  3. Step 3: Cross multiply
    910,419.40x = 1,365,629.10 × 236,445.40
  4. Step 4: Simplify right side
    910,419.40x = 322,896,718,801.14
  5. Step 5: Solve for x
    x = 322,896,718,801.14/910,419.40
  6. Step 6: Final answer
    x = 354,668.10

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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.