Home / 1,156,847.88-1,735,220.70-315,399.72

Finding the Fourth Proportional to 1,156,847.88, 1,735,220.70 and 315,399.72

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Solution

The fourth proportional to 1,156,847.88, 1,735,220.70 and 315,399.72 is: 473,085.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,847.88 : 1,735,220.70 = 315,399.72 : x
  2. Step 2: Convert to fraction form
    1,156,847.88/1,735,220.70 = 315,399.72/x
  3. Step 3: Cross multiply
    1,156,847.88x = 1,735,220.70 × 315,399.72
  4. Step 4: Simplify right side
    1,156,847.88x = 547,288,122,918.20
  5. Step 5: Solve for x
    x = 547,288,122,918.20/1,156,847.88
  6. Step 6: Final answer
    x = 473,085.64

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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.