Home / 744,431.13-1,116,156.66-490,938.69

Finding the Fourth Proportional to 744,431.13, 1,116,156.66 and 490,938.69

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Solution

The fourth proportional to 744,431.13, 1,116,156.66 and 490,938.69 is: 736,084.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,431.13 : 1,116,156.66 = 490,938.69 : x
  2. Step 2: Convert to fraction form
    744,431.13/1,116,156.66 = 490,938.69/x
  3. Step 3: Cross multiply
    744,431.13x = 1,116,156.66 × 490,938.69
  4. Step 4: Simplify right side
    744,431.13x = 547,964,488,495.18
  5. Step 5: Solve for x
    x = 547,964,488,495.18/744,431.13
  6. Step 6: Final answer
    x = 736,084.87

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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.