Home / 606,845.65-837,247.30-392,112.22

Finding the Fourth Proportional to 606,845.65, 837,247.30 and 392,112.22

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Solution

The fourth proportional to 606,845.65, 837,247.30 and 392,112.22 is: 540,985.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,845.65 : 837,247.30 = 392,112.22 : x
  2. Step 2: Convert to fraction form
    606,845.65/837,247.30 = 392,112.22/x
  3. Step 3: Cross multiply
    606,845.65x = 837,247.30 × 392,112.22
  4. Step 4: Simplify right side
    606,845.65x = 328,294,897,492.01
  5. Step 5: Solve for x
    x = 328,294,897,492.01/606,845.65
  6. Step 6: Final answer
    x = 540,985.83

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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.