Home / 735,465.56-1,015,289.90-490,855.32

Finding the Fourth Proportional to 735,465.56, 1,015,289.90 and 490,855.32

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Solution

The fourth proportional to 735,465.56, 1,015,289.90 and 490,855.32 is: 677,612.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,465.56 : 1,015,289.90 = 490,855.32 : x
  2. Step 2: Convert to fraction form
    735,465.56/1,015,289.90 = 490,855.32/x
  3. Step 3: Cross multiply
    735,465.56x = 1,015,289.90 × 490,855.32
  4. Step 4: Simplify right side
    735,465.56x = 498,360,448,757.27
  5. Step 5: Solve for x
    x = 498,360,448,757.27/735,465.56
  6. Step 6: Final answer
    x = 677,612.22

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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.