Home / 525,845.10-788,767.65-245,909.10

Finding the Fourth Proportional to 525,845.10, 788,767.65 and 245,909.10

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Solution

The fourth proportional to 525,845.10, 788,767.65 and 245,909.10 is: 368,863.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,845.10 : 788,767.65 = 245,909.10 : x
  2. Step 2: Convert to fraction form
    525,845.10/788,767.65 = 245,909.10/x
  3. Step 3: Cross multiply
    525,845.10x = 788,767.65 × 245,909.10
  4. Step 4: Simplify right side
    525,845.10x = 193,965,142,920.62
  5. Step 5: Solve for x
    x = 193,965,142,920.62/525,845.10
  6. Step 6: Final answer
    x = 368,863.65

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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.