Home / 571,308.21-856,220.13-233,966.25

Finding the Fourth Proportional to 571,308.21, 856,220.13 and 233,966.25

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Solution

The fourth proportional to 571,308.21, 856,220.13 and 233,966.25 is: 350,645.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,308.21 : 856,220.13 = 233,966.25 : x
  2. Step 2: Convert to fraction form
    571,308.21/856,220.13 = 233,966.25/x
  3. Step 3: Cross multiply
    571,308.21x = 856,220.13 × 233,966.25
  4. Step 4: Simplify right side
    571,308.21x = 200,326,612,990.61
  5. Step 5: Solve for x
    x = 200,326,612,990.61/571,308.21
  6. Step 6: Final answer
    x = 350,645.43

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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.