Home / 402,861.06-604,305.09-122,377.50

Finding the Fourth Proportional to 402,861.06, 604,305.09 and 122,377.50

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Solution

The fourth proportional to 402,861.06, 604,305.09 and 122,377.50 is: 183,570.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,861.06 : 604,305.09 = 122,377.50 : x
  2. Step 2: Convert to fraction form
    402,861.06/604,305.09 = 122,377.50/x
  3. Step 3: Cross multiply
    402,861.06x = 604,305.09 × 122,377.50
  4. Step 4: Simplify right side
    402,861.06x = 73,953,346,151.48
  5. Step 5: Solve for x
    x = 73,953,346,151.48/402,861.06
  6. Step 6: Final answer
    x = 183,570.35

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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.