Home / 1,093,503.15-1,640,254.73-978,357.60

Finding the Fourth Proportional to 1,093,503.15, 1,640,254.73 and 978,357.60

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Solution

The fourth proportional to 1,093,503.15, 1,640,254.73 and 978,357.60 is: 1,467,536.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,503.15 : 1,640,254.73 = 978,357.60 : x
  2. Step 2: Convert to fraction form
    1,093,503.15/1,640,254.73 = 978,357.60/x
  3. Step 3: Cross multiply
    1,093,503.15x = 1,640,254.73 × 978,357.60
  4. Step 4: Simplify right side
    1,093,503.15x = 1,604,755,681,031.45
  5. Step 5: Solve for x
    x = 1,604,755,681,031.45/1,093,503.15
  6. Step 6: Final answer
    x = 1,467,536.40

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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.