Home / 489,192.40-733,788.60-173,681.20

Finding the Fourth Proportional to 489,192.40, 733,788.60 and 173,681.20

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Solution

The fourth proportional to 489,192.40, 733,788.60 and 173,681.20 is: 260,521.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,192.40 : 733,788.60 = 173,681.20 : x
  2. Step 2: Convert to fraction form
    489,192.40/733,788.60 = 173,681.20/x
  3. Step 3: Cross multiply
    489,192.40x = 733,788.60 × 173,681.20
  4. Step 4: Simplify right side
    489,192.40x = 127,445,284,594.32
  5. Step 5: Solve for x
    x = 127,445,284,594.32/489,192.40
  6. Step 6: Final answer
    x = 260,521.80

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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.