Home / 1,407,633.15-2,111,574.06-396,763.68

Finding the Fourth Proportional to 1,407,633.15, 2,111,574.06 and 396,763.68

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Solution

The fourth proportional to 1,407,633.15, 2,111,574.06 and 396,763.68 is: 595,180.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,633.15 : 2,111,574.06 = 396,763.68 : x
  2. Step 2: Convert to fraction form
    1,407,633.15/2,111,574.06 = 396,763.68/x
  3. Step 3: Cross multiply
    1,407,633.15x = 2,111,574.06 × 396,763.68
  4. Step 4: Simplify right side
    1,407,633.15x = 837,795,894,638.14
  5. Step 5: Solve for x
    x = 837,795,894,638.14/1,407,633.15
  6. Step 6: Final answer
    x = 595,180.57

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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.