Home / 1,133,390-1,700,309.35-323,781.40

Finding the Fourth Proportional to 1,133,390, 1,700,309.35 and 323,781.40

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Solution

The fourth proportional to 1,133,390, 1,700,309.35 and 323,781.40 is: 485,736.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,390 : 1,700,309.35 = 323,781.40 : x
  2. Step 2: Convert to fraction form
    1,133,390/1,700,309.35 = 323,781.40/x
  3. Step 3: Cross multiply
    1,133,390x = 1,700,309.35 × 323,781.40
  4. Step 4: Simplify right side
    1,133,390x = 550,528,541,776.09
  5. Step 5: Solve for x
    x = 550,528,541,776.09/1,133,390
  6. Step 6: Final answer
    x = 485,736.19

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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.