Home / 525,666.40-788,499.60-226,290.40

Finding the Fourth Proportional to 525,666.40, 788,499.60 and 226,290.40

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Solution

The fourth proportional to 525,666.40, 788,499.60 and 226,290.40 is: 339,435.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,666.40 : 788,499.60 = 226,290.40 : x
  2. Step 2: Convert to fraction form
    525,666.40/788,499.60 = 226,290.40/x
  3. Step 3: Cross multiply
    525,666.40x = 788,499.60 × 226,290.40
  4. Step 4: Simplify right side
    525,666.40x = 178,429,889,883.84
  5. Step 5: Solve for x
    x = 178,429,889,883.84/525,666.40
  6. Step 6: Final answer
    x = 339,435.60

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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.