Home / 744,192.48-1,115,004.84-407,475.48

Finding the Fourth Proportional to 744,192.48, 1,115,004.84 and 407,475.48

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Solution

The fourth proportional to 744,192.48, 1,115,004.84 and 407,475.48 is: 610,510.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,192.48 : 1,115,004.84 = 407,475.48 : x
  2. Step 2: Convert to fraction form
    744,192.48/1,115,004.84 = 407,475.48/x
  3. Step 3: Cross multiply
    744,192.48x = 1,115,004.84 × 407,475.48
  4. Step 4: Simplify right side
    744,192.48x = 454,337,132,381.32
  5. Step 5: Solve for x
    x = 454,337,132,381.32/744,192.48
  6. Step 6: Final answer
    x = 610,510.24

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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.