Home / 914,697.68-1,371,313.83-434,684.60

Finding the Fourth Proportional to 914,697.68, 1,371,313.83 and 434,684.60

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Solution

The fourth proportional to 914,697.68, 1,371,313.83 and 434,684.60 is: 651,678.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,697.68 : 1,371,313.83 = 434,684.60 : x
  2. Step 2: Convert to fraction form
    914,697.68/1,371,313.83 = 434,684.60/x
  3. Step 3: Cross multiply
    914,697.68x = 1,371,313.83 × 434,684.60
  4. Step 4: Simplify right side
    914,697.68x = 596,089,003,668.02
  5. Step 5: Solve for x
    x = 596,089,003,668.02/914,697.68
  6. Step 6: Final answer
    x = 651,678.71

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1.5x scale

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.