Home / 789,357.69-1,089,811.71-547,555.68

Finding the Fourth Proportional to 789,357.69, 1,089,811.71 and 547,555.68

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Solution

The fourth proportional to 789,357.69, 1,089,811.71 and 547,555.68 is: 755,972.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,357.69 : 1,089,811.71 = 547,555.68 : x
  2. Step 2: Convert to fraction form
    789,357.69/1,089,811.71 = 547,555.68/x
  3. Step 3: Cross multiply
    789,357.69x = 1,089,811.71 × 547,555.68
  4. Step 4: Simplify right side
    789,357.69x = 596,732,591,941.01
  5. Step 5: Solve for x
    x = 596,732,591,941.01/789,357.69
  6. Step 6: Final answer
    x = 755,972.36

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Double scale
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1.5x scale

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.