Home / 561,112.20-841,668.30-280,528.20

Finding the Fourth Proportional to 561,112.20, 841,668.30 and 280,528.20

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Solution

The fourth proportional to 561,112.20, 841,668.30 and 280,528.20 is: 420,792.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,112.20 : 841,668.30 = 280,528.20 : x
  2. Step 2: Convert to fraction form
    561,112.20/841,668.30 = 280,528.20/x
  3. Step 3: Cross multiply
    561,112.20x = 841,668.30 × 280,528.20
  4. Step 4: Simplify right side
    561,112.20x = 236,111,693,196.06
  5. Step 5: Solve for x
    x = 236,111,693,196.06/561,112.20
  6. Step 6: Final answer
    x = 420,792.30

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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.