Home / 507,291.13-760,987.05-187,526.80

Finding the Fourth Proportional to 507,291.13, 760,987.05 and 187,526.80

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Solution

The fourth proportional to 507,291.13, 760,987.05 and 187,526.80 is: 281,308.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,291.13 : 760,987.05 = 187,526.80 : x
  2. Step 2: Convert to fraction form
    507,291.13/760,987.05 = 187,526.80/x
  3. Step 3: Cross multiply
    507,291.13x = 760,987.05 × 187,526.80
  4. Step 4: Simplify right side
    507,291.13x = 142,705,466,327.94
  5. Step 5: Solve for x
    x = 142,705,466,327.94/507,291.13
  6. Step 6: Final answer
    x = 281,308.81

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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.