Home / 836,460.19-1,254,717.57-398,184.82

Finding the Fourth Proportional to 836,460.19, 1,254,717.57 and 398,184.82

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Solution

The fourth proportional to 836,460.19, 1,254,717.57 and 398,184.82 is: 597,290.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,460.19 : 1,254,717.57 = 398,184.82 : x
  2. Step 2: Convert to fraction form
    836,460.19/1,254,717.57 = 398,184.82/x
  3. Step 3: Cross multiply
    836,460.19x = 1,254,717.57 × 398,184.82
  4. Step 4: Simplify right side
    836,460.19x = 499,609,492,935.68
  5. Step 5: Solve for x
    x = 499,609,492,935.68/836,460.19
  6. Step 6: Final answer
    x = 597,290.22

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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.