Home / 402,803.37-604,205.06-191,801.61

Finding the Fourth Proportional to 402,803.37, 604,205.06 and 191,801.61

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Solution

The fourth proportional to 402,803.37, 604,205.06 and 191,801.61 is: 287,702.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,803.37 : 604,205.06 = 191,801.61 : x
  2. Step 2: Convert to fraction form
    402,803.37/604,205.06 = 191,801.61/x
  3. Step 3: Cross multiply
    402,803.37x = 604,205.06 × 191,801.61
  4. Step 4: Simplify right side
    402,803.37x = 115,887,502,319.14
  5. Step 5: Solve for x
    x = 115,887,502,319.14/402,803.37
  6. Step 6: Final answer
    x = 287,702.42

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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.