Home / 644,943.51-967,531.65-265,657.23

Finding the Fourth Proportional to 644,943.51, 967,531.65 and 265,657.23

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Solution

The fourth proportional to 644,943.51, 967,531.65 and 265,657.23 is: 398,533.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,943.51 : 967,531.65 = 265,657.23 : x
  2. Step 2: Convert to fraction form
    644,943.51/967,531.65 = 265,657.23/x
  3. Step 3: Cross multiply
    644,943.51x = 967,531.65 × 265,657.23
  4. Step 4: Simplify right side
    644,943.51x = 257,031,778,076.33
  5. Step 5: Solve for x
    x = 257,031,778,076.33/644,943.51
  6. Step 6: Final answer
    x = 398,533.78

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Double scale
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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.