Home / 912,641.24-1,360,741.91-836,763.72

Finding the Fourth Proportional to 912,641.24, 1,360,741.91 and 836,763.72

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Solution

The fourth proportional to 912,641.24, 1,360,741.91 and 836,763.72 is: 1,247,609.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,641.24 : 1,360,741.91 = 836,763.72 : x
  2. Step 2: Convert to fraction form
    912,641.24/1,360,741.91 = 836,763.72/x
  3. Step 3: Cross multiply
    912,641.24x = 1,360,741.91 × 836,763.72
  4. Step 4: Simplify right side
    912,641.24x = 1,138,619,462,571.51
  5. Step 5: Solve for x
    x = 1,138,619,462,571.51/912,641.24
  6. Step 6: Final answer
    x = 1,247,609.04

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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.