Home / 525,815.80-788,810.10-226,439.80

Finding the Fourth Proportional to 525,815.80, 788,810.10 and 226,439.80

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Solution

The fourth proportional to 525,815.80, 788,810.10 and 226,439.80 is: 339,696.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,815.80 : 788,810.10 = 226,439.80 : x
  2. Step 2: Convert to fraction form
    525,815.80/788,810.10 = 226,439.80/x
  3. Step 3: Cross multiply
    525,815.80x = 788,810.10 × 226,439.80
  4. Step 4: Simplify right side
    525,815.80x = 178,618,001,281.98
  5. Step 5: Solve for x
    x = 178,618,001,281.98/525,815.80
  6. Step 6: Final answer
    x = 339,696.91

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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.