Home / 714,548.83-1,071,261.91-489,227.68

Finding the Fourth Proportional to 714,548.83, 1,071,261.91 and 489,227.68

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Solution

The fourth proportional to 714,548.83, 1,071,261.91 and 489,227.68 is: 733,457.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,548.83 : 1,071,261.91 = 489,227.68 : x
  2. Step 2: Convert to fraction form
    714,548.83/1,071,261.91 = 489,227.68/x
  3. Step 3: Cross multiply
    714,548.83x = 1,071,261.91 × 489,227.68
  4. Step 4: Simplify right side
    714,548.83x = 524,090,976,455.53
  5. Step 5: Solve for x
    x = 524,090,976,455.53/714,548.83
  6. Step 6: Final answer
    x = 733,457.19

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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.