Home / 421,779.61-582,055.23-230,792.95

Finding the Fourth Proportional to 421,779.61, 582,055.23 and 230,792.95

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Solution

The fourth proportional to 421,779.61, 582,055.23 and 230,792.95 is: 318,493.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,779.61 : 582,055.23 = 230,792.95 : x
  2. Step 2: Convert to fraction form
    421,779.61/582,055.23 = 230,792.95/x
  3. Step 3: Cross multiply
    421,779.61x = 582,055.23 × 230,792.95
  4. Step 4: Simplify right side
    421,779.61x = 134,334,243,594.63
  5. Step 5: Solve for x
    x = 134,334,243,594.63/421,779.61
  6. Step 6: Final answer
    x = 318,493.93

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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.