Home / 1,208,397.98-1,667,117.23-691,875.81

Finding the Fourth Proportional to 1,208,397.98, 1,667,117.23 and 691,875.81

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Solution

The fourth proportional to 1,208,397.98, 1,667,117.23 and 691,875.81 is: 954,518.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,397.98 : 1,667,117.23 = 691,875.81 : x
  2. Step 2: Convert to fraction form
    1,208,397.98/1,667,117.23 = 691,875.81/x
  3. Step 3: Cross multiply
    1,208,397.98x = 1,667,117.23 × 691,875.81
  4. Step 4: Simplify right side
    1,208,397.98x = 1,153,438,082,141.52
  5. Step 5: Solve for x
    x = 1,153,438,082,141.52/1,208,397.98
  6. Step 6: Final answer
    x = 954,518.38

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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.