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Finding the Fourth Proportional to 1,889,734.93, 2,832,923.85 and 736,715.72

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Solution

The fourth proportional to 1,889,734.93, 2,832,923.85 and 736,715.72 is: 1,104,419.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,734.93 : 2,832,923.85 = 736,715.72 : x
  2. Step 2: Convert to fraction form
    1,889,734.93/2,832,923.85 = 736,715.72/x
  3. Step 3: Cross multiply
    1,889,734.93x = 2,832,923.85 × 736,715.72
  4. Step 4: Simplify right side
    1,889,734.93x = 2,087,059,533,857.92
  5. Step 5: Solve for x
    x = 2,087,059,533,857.92/1,889,734.93
  6. Step 6: Final answer
    x = 1,104,419.20

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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.