Home / 507,200.48-760,851.51-187,436.30

Finding the Fourth Proportional to 507,200.48, 760,851.51 and 187,436.30

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Solution

The fourth proportional to 507,200.48, 760,851.51 and 187,436.30 is: 281,173.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,200.48 : 760,851.51 = 187,436.30 : x
  2. Step 2: Convert to fraction form
    507,200.48/760,851.51 = 187,436.30/x
  3. Step 3: Cross multiply
    507,200.48x = 760,851.51 × 187,436.30
  4. Step 4: Simplify right side
    507,200.48x = 142,611,191,883.81
  5. Step 5: Solve for x
    x = 142,611,191,883.81/507,200.48
  6. Step 6: Final answer
    x = 281,173.22

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1.5x scale

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.