Home / 865,370.70-1,194,194.07-525,948.30

Finding the Fourth Proportional to 865,370.70, 1,194,194.07 and 525,948.30

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Solution

The fourth proportional to 865,370.70, 1,194,194.07 and 525,948.30 is: 725,798.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,370.70 : 1,194,194.07 = 525,948.30 : x
  2. Step 2: Convert to fraction form
    865,370.70/1,194,194.07 = 525,948.30/x
  3. Step 3: Cross multiply
    865,370.70x = 1,194,194.07 × 525,948.30
  4. Step 4: Simplify right side
    865,370.70x = 628,084,340,986.58
  5. Step 5: Solve for x
    x = 628,084,340,986.58/865,370.70
  6. Step 6: Final answer
    x = 725,798.02

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.