Home / 763,368.35-1,143,308.38-364,289.37

Finding the Fourth Proportional to 763,368.35, 1,143,308.38 and 364,289.37

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Solution

The fourth proportional to 763,368.35, 1,143,308.38 and 364,289.37 is: 545,601.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,368.35 : 1,143,308.38 = 364,289.37 : x
  2. Step 2: Convert to fraction form
    763,368.35/1,143,308.38 = 364,289.37/x
  3. Step 3: Cross multiply
    763,368.35x = 1,143,308.38 × 364,289.37
  4. Step 4: Simplify right side
    763,368.35x = 416,495,089,465.92
  5. Step 5: Solve for x
    x = 416,495,089,465.92/763,368.35
  6. Step 6: Final answer
    x = 545,601.73

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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.