Home / 1,306,971.91-1,953,450.68-1,178,595.01

Finding the Fourth Proportional to 1,306,971.91, 1,953,450.68 and 1,178,595.01

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Solution

The fourth proportional to 1,306,971.91, 1,953,450.68 and 1,178,595.01 is: 1,761,573.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,971.91 : 1,953,450.68 = 1,178,595.01 : x
  2. Step 2: Convert to fraction form
    1,306,971.91/1,953,450.68 = 1,178,595.01/x
  3. Step 3: Cross multiply
    1,306,971.91x = 1,953,450.68 × 1,178,595.01
  4. Step 4: Simplify right side
    1,306,971.91x = 2,302,327,223,729.11
  5. Step 5: Solve for x
    x = 2,302,327,223,729.11/1,306,971.91
  6. Step 6: Final answer
    x = 1,761,573.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.