Home / 657,007.10-985,510.65-236,228.30

Finding the Fourth Proportional to 657,007.10, 985,510.65 and 236,228.30

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Solution

The fourth proportional to 657,007.10, 985,510.65 and 236,228.30 is: 354,342.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,007.10 : 985,510.65 = 236,228.30 : x
  2. Step 2: Convert to fraction form
    657,007.10/985,510.65 = 236,228.30/x
  3. Step 3: Cross multiply
    657,007.10x = 985,510.65 × 236,228.30
  4. Step 4: Simplify right side
    657,007.10x = 232,805,505,481.40
  5. Step 5: Solve for x
    x = 232,805,505,481.40/657,007.10
  6. Step 6: Final answer
    x = 354,342.45

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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.