Home / 744,360.68-1,116,118.20-507,989.72

Finding the Fourth Proportional to 744,360.68, 1,116,118.20 and 507,989.72

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Solution

The fourth proportional to 744,360.68, 1,116,118.20 and 507,989.72 is: 761,696.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,360.68 : 1,116,118.20 = 507,989.72 : x
  2. Step 2: Convert to fraction form
    744,360.68/1,116,118.20 = 507,989.72/x
  3. Step 3: Cross multiply
    744,360.68x = 1,116,118.20 × 507,989.72
  4. Step 4: Simplify right side
    744,360.68x = 566,976,571,904.90
  5. Step 5: Solve for x
    x = 566,976,571,904.90/744,360.68
  6. Step 6: Final answer
    x = 761,696.03

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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.