Home / 525,927.40-788,891.10-193,460.20

Finding the Fourth Proportional to 525,927.40, 788,891.10 and 193,460.20

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Solution

The fourth proportional to 525,927.40, 788,891.10 and 193,460.20 is: 290,190.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,927.40 : 788,891.10 = 193,460.20 : x
  2. Step 2: Convert to fraction form
    525,927.40/788,891.10 = 193,460.20/x
  3. Step 3: Cross multiply
    525,927.40x = 788,891.10 × 193,460.20
  4. Step 4: Simplify right side
    525,927.40x = 152,619,029,984.22
  5. Step 5: Solve for x
    x = 152,619,029,984.22/525,927.40
  6. Step 6: Final answer
    x = 290,190.30

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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.