Home / 606,844.65-837,245.93-392,111.22

Finding the Fourth Proportional to 606,844.65, 837,245.93 and 392,111.22

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Solution

The fourth proportional to 606,844.65, 837,245.93 and 392,111.22 is: 540,984.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,844.65 : 837,245.93 = 392,111.22 : x
  2. Step 2: Convert to fraction form
    606,844.65/837,245.93 = 392,111.22/x
  3. Step 3: Cross multiply
    606,844.65x = 837,245.93 × 392,111.22
  4. Step 4: Simplify right side
    606,844.65x = 328,293,521,091.78
  5. Step 5: Solve for x
    x = 328,293,521,091.78/606,844.65
  6. Step 6: Final answer
    x = 540,984.45

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Double scale
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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.