Home / 640,824.34-961,332.07-235,985.41

Finding the Fourth Proportional to 640,824.34, 961,332.07 and 235,985.41

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Solution

The fourth proportional to 640,824.34, 961,332.07 and 235,985.41 is: 354,013.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,824.34 : 961,332.07 = 235,985.41 : x
  2. Step 2: Convert to fraction form
    640,824.34/961,332.07 = 235,985.41/x
  3. Step 3: Cross multiply
    640,824.34x = 961,332.07 × 235,985.41
  4. Step 4: Simplify right side
    640,824.34x = 226,860,342,685.10
  5. Step 5: Solve for x
    x = 226,860,342,685.10/640,824.34
  6. Step 6: Final answer
    x = 354,013.31

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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.