Home / 1,140,777-1,712,847.65-636,323.58

Finding the Fourth Proportional to 1,140,777, 1,712,847.65 and 636,323.58

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Solution

The fourth proportional to 1,140,777, 1,712,847.65 and 636,323.58 is: 955,423.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,777 : 1,712,847.65 = 636,323.58 : x
  2. Step 2: Convert to fraction form
    1,140,777/1,712,847.65 = 636,323.58/x
  3. Step 3: Cross multiply
    1,140,777x = 1,712,847.65 × 636,323.58
  4. Step 4: Simplify right side
    1,140,777x = 1,089,925,345,460.97
  5. Step 5: Solve for x
    x = 1,089,925,345,460.97/1,140,777
  6. Step 6: Final answer
    x = 955,423.67

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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.