Home / 646,523.46-892,283.85-391,842.18

Finding the Fourth Proportional to 646,523.46, 892,283.85 and 391,842.18

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Solution

The fourth proportional to 646,523.46, 892,283.85 and 391,842.18 is: 540,791.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,523.46 : 892,283.85 = 391,842.18 : x
  2. Step 2: Convert to fraction form
    646,523.46/892,283.85 = 391,842.18/x
  3. Step 3: Cross multiply
    646,523.46x = 892,283.85 × 391,842.18
  4. Step 4: Simplify right side
    646,523.46x = 349,634,448,962.79
  5. Step 5: Solve for x
    x = 349,634,448,962.79/646,523.46
  6. Step 6: Final answer
    x = 540,791.59

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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.