Home / 689,030.75-950,844.72-383,091.32

Finding the Fourth Proportional to 689,030.75, 950,844.72 and 383,091.32

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Solution

The fourth proportional to 689,030.75, 950,844.72 and 383,091.32 is: 528,656.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,030.75 : 950,844.72 = 383,091.32 : x
  2. Step 2: Convert to fraction form
    689,030.75/950,844.72 = 383,091.32/x
  3. Step 3: Cross multiply
    689,030.75x = 950,844.72 × 383,091.32
  4. Step 4: Simplify right side
    689,030.75x = 364,260,362,713.54
  5. Step 5: Solve for x
    x = 364,260,362,713.54/689,030.75
  6. Step 6: Final answer
    x = 528,656.18

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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.