Home / 526,828.73-727,024.57-285,111.50

Finding the Fourth Proportional to 526,828.73, 727,024.57 and 285,111.50

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Solution

The fourth proportional to 526,828.73, 727,024.57 and 285,111.50 is: 393,454.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,828.73 : 727,024.57 = 285,111.50 : x
  2. Step 2: Convert to fraction form
    526,828.73/727,024.57 = 285,111.50/x
  3. Step 3: Cross multiply
    526,828.73x = 727,024.57 × 285,111.50
  4. Step 4: Simplify right side
    526,828.73x = 207,283,061,341.65
  5. Step 5: Solve for x
    x = 207,283,061,341.65/526,828.73
  6. Step 6: Final answer
    x = 393,454.36

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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.