Home / 579,782.09-799,935.72-375,841.61

Finding the Fourth Proportional to 579,782.09, 799,935.72 and 375,841.61

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Solution

The fourth proportional to 579,782.09, 799,935.72 and 375,841.61 is: 518,555.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,782.09 : 799,935.72 = 375,841.61 : x
  2. Step 2: Convert to fraction form
    579,782.09/799,935.72 = 375,841.61/x
  3. Step 3: Cross multiply
    579,782.09x = 799,935.72 × 375,841.61
  4. Step 4: Simplify right side
    579,782.09x = 300,649,124,901.63
  5. Step 5: Solve for x
    x = 300,649,124,901.63/579,782.09
  6. Step 6: Final answer
    x = 518,555.39

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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.