Home / 744,088.28-1,116,107.51-323,364.15

Finding the Fourth Proportional to 744,088.28, 1,116,107.51 and 323,364.15

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Solution

The fourth proportional to 744,088.28, 1,116,107.51 and 323,364.15 is: 485,035.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,088.28 : 1,116,107.51 = 323,364.15 : x
  2. Step 2: Convert to fraction form
    744,088.28/1,116,107.51 = 323,364.15/x
  3. Step 3: Cross multiply
    744,088.28x = 1,116,107.51 × 323,364.15
  4. Step 4: Simplify right side
    744,088.28x = 360,909,154,662.95
  5. Step 5: Solve for x
    x = 360,909,154,662.95/744,088.28
  6. Step 6: Final answer
    x = 485,035.40

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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.