Home / 1,089,788.59-1,503,915.65-606,374.11

Finding the Fourth Proportional to 1,089,788.59, 1,503,915.65 and 606,374.11

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Solution

The fourth proportional to 1,089,788.59, 1,503,915.65 and 606,374.11 is: 836,800.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,788.59 : 1,503,915.65 = 606,374.11 : x
  2. Step 2: Convert to fraction form
    1,089,788.59/1,503,915.65 = 606,374.11/x
  3. Step 3: Cross multiply
    1,089,788.59x = 1,503,915.65 × 606,374.11
  4. Step 4: Simplify right side
    1,089,788.59x = 911,935,513,783.82
  5. Step 5: Solve for x
    x = 911,935,513,783.82/1,089,788.59
  6. Step 6: Final answer
    x = 836,800.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.