Home / 901,623.09-1,244,239.86-519,674.47

Finding the Fourth Proportional to 901,623.09, 1,244,239.86 and 519,674.47

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Solution

The fourth proportional to 901,623.09, 1,244,239.86 and 519,674.47 is: 717,150.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,623.09 : 1,244,239.86 = 519,674.47 : x
  2. Step 2: Convert to fraction form
    901,623.09/1,244,239.86 = 519,674.47/x
  3. Step 3: Cross multiply
    901,623.09x = 1,244,239.86 × 519,674.47
  4. Step 4: Simplify right side
    901,623.09x = 646,599,689,798.37
  5. Step 5: Solve for x
    x = 646,599,689,798.37/901,623.09
  6. Step 6: Final answer
    x = 717,150.77

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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.