Home / 1,434,572.11-1,979,115.36-853,678.93

Finding the Fourth Proportional to 1,434,572.11, 1,979,115.36 and 853,678.93

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Solution

The fourth proportional to 1,434,572.11, 1,979,115.36 and 853,678.93 is: 1,177,723.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,572.11 : 1,979,115.36 = 853,678.93 : x
  2. Step 2: Convert to fraction form
    1,434,572.11/1,979,115.36 = 853,678.93/x
  3. Step 3: Cross multiply
    1,434,572.11x = 1,979,115.36 × 853,678.93
  4. Step 4: Simplify right side
    1,434,572.11x = 1,689,529,082,871.37
  5. Step 5: Solve for x
    x = 1,689,529,082,871.37/1,434,572.11
  6. Step 6: Final answer
    x = 1,177,723.36

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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.