Home / 1,173,587.37-1,760,381.08-640,817.77

Finding the Fourth Proportional to 1,173,587.37, 1,760,381.08 and 640,817.77

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Solution

The fourth proportional to 1,173,587.37, 1,760,381.08 and 640,817.77 is: 961,226.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,587.37 : 1,760,381.08 = 640,817.77 : x
  2. Step 2: Convert to fraction form
    1,173,587.37/1,760,381.08 = 640,817.77/x
  3. Step 3: Cross multiply
    1,173,587.37x = 1,760,381.08 × 640,817.77
  4. Step 4: Simplify right side
    1,173,587.37x = 1,128,083,478,035.79
  5. Step 5: Solve for x
    x = 1,128,083,478,035.79/1,173,587.37
  6. Step 6: Final answer
    x = 961,226.67

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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.