Home / 525,964.20-788,946.30-193,669.80

Finding the Fourth Proportional to 525,964.20, 788,946.30 and 193,669.80

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Solution

The fourth proportional to 525,964.20, 788,946.30 and 193,669.80 is: 290,504.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,964.20 : 788,946.30 = 193,669.80 : x
  2. Step 2: Convert to fraction form
    525,964.20/788,946.30 = 193,669.80/x
  3. Step 3: Cross multiply
    525,964.20x = 788,946.30 × 193,669.80
  4. Step 4: Simplify right side
    525,964.20x = 152,795,072,131.74
  5. Step 5: Solve for x
    x = 152,795,072,131.74/525,964.20
  6. Step 6: Final answer
    x = 290,504.70

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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.