Home / 916,143.48-1,373,550.93-615,879.33

Finding the Fourth Proportional to 916,143.48, 1,373,550.93 and 615,879.33

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Solution

The fourth proportional to 916,143.48, 1,373,550.93 and 615,879.33 is: 923,372.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,143.48 : 1,373,550.93 = 615,879.33 : x
  2. Step 2: Convert to fraction form
    916,143.48/1,373,550.93 = 615,879.33/x
  3. Step 3: Cross multiply
    916,143.48x = 1,373,550.93 × 615,879.33
  4. Step 4: Simplify right side
    916,143.48x = 845,941,626,489.28
  5. Step 5: Solve for x
    x = 845,941,626,489.28/916,143.48
  6. Step 6: Final answer
    x = 923,372.42

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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.