Home / 525,844.80-788,767.20-245,390.40

Finding the Fourth Proportional to 525,844.80, 788,767.20 and 245,390.40

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Solution

The fourth proportional to 525,844.80, 788,767.20 and 245,390.40 is: 368,085.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,844.80 : 788,767.20 = 245,390.40 : x
  2. Step 2: Convert to fraction form
    525,844.80/788,767.20 = 245,390.40/x
  3. Step 3: Cross multiply
    525,844.80x = 788,767.20 × 245,390.40
  4. Step 4: Simplify right side
    525,844.80x = 193,555,898,714.88
  5. Step 5: Solve for x
    x = 193,555,898,714.88/525,844.80
  6. Step 6: Final answer
    x = 368,085.60

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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.