Home / 934,937.92-1,290,214.74-505,218.07

Finding the Fourth Proportional to 934,937.92, 1,290,214.74 and 505,218.07

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Solution

The fourth proportional to 934,937.92, 1,290,214.74 and 505,218.07 is: 697,201.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,937.92 : 1,290,214.74 = 505,218.07 : x
  2. Step 2: Convert to fraction form
    934,937.92/1,290,214.74 = 505,218.07/x
  3. Step 3: Cross multiply
    934,937.92x = 1,290,214.74 × 505,218.07
  4. Step 4: Simplify right side
    934,937.92x = 651,839,800,828.35
  5. Step 5: Solve for x
    x = 651,839,800,828.35/934,937.92
  6. Step 6: Final answer
    x = 697,201.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.