Home / 1,120,802.60-1,681,422.60-446,769.20

Finding the Fourth Proportional to 1,120,802.60, 1,681,422.60 and 446,769.20

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Solution

The fourth proportional to 1,120,802.60, 1,681,422.60 and 446,769.20 is: 670,240.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,802.60 : 1,681,422.60 = 446,769.20 : x
  2. Step 2: Convert to fraction form
    1,120,802.60/1,681,422.60 = 446,769.20/x
  3. Step 3: Cross multiply
    1,120,802.60x = 1,681,422.60 × 446,769.20
  4. Step 4: Simplify right side
    1,120,802.60x = 751,207,829,863.92
  5. Step 5: Solve for x
    x = 751,207,829,863.92/1,120,802.60
  6. Step 6: Final answer
    x = 670,240.98

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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.