Home / 498,619.23-747,220.93-384,335.11

Finding the Fourth Proportional to 498,619.23, 747,220.93 and 384,335.11

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Solution

The fourth proportional to 498,619.23, 747,220.93 and 384,335.11 is: 575,957.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,619.23 : 747,220.93 = 384,335.11 : x
  2. Step 2: Convert to fraction form
    498,619.23/747,220.93 = 384,335.11/x
  3. Step 3: Cross multiply
    498,619.23x = 747,220.93 × 384,335.11
  4. Step 4: Simplify right side
    498,619.23x = 287,183,238,299.04
  5. Step 5: Solve for x
    x = 287,183,238,299.04/498,619.23
  6. Step 6: Final answer
    x = 575,957.01

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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.