Home / 876,101.40-1,314,152.10-456,197.40

Finding the Fourth Proportional to 876,101.40, 1,314,152.10 and 456,197.40

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Solution

The fourth proportional to 876,101.40, 1,314,152.10 and 456,197.40 is: 684,296.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,101.40 : 1,314,152.10 = 456,197.40 : x
  2. Step 2: Convert to fraction form
    876,101.40/1,314,152.10 = 456,197.40/x
  3. Step 3: Cross multiply
    876,101.40x = 1,314,152.10 × 456,197.40
  4. Step 4: Simplify right side
    876,101.40x = 599,512,771,224.54
  5. Step 5: Solve for x
    x = 599,512,771,224.54/876,101.40
  6. Step 6: Final answer
    x = 684,296.10

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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.