Home / 639,516.22-882,534.29-349,128.24

Finding the Fourth Proportional to 639,516.22, 882,534.29 and 349,128.24

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Solution

The fourth proportional to 639,516.22, 882,534.29 and 349,128.24 is: 481,798.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,516.22 : 882,534.29 = 349,128.24 : x
  2. Step 2: Convert to fraction form
    639,516.22/882,534.29 = 349,128.24/x
  3. Step 3: Cross multiply
    639,516.22x = 882,534.29 × 349,128.24
  4. Step 4: Simplify right side
    639,516.22x = 308,117,641,802.59
  5. Step 5: Solve for x
    x = 308,117,641,802.59/639,516.22
  6. Step 6: Final answer
    x = 481,798.01

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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.