Home / 859,335.39-1,185,840.34-496,724.72

Finding the Fourth Proportional to 859,335.39, 1,185,840.34 and 496,724.72

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Solution

The fourth proportional to 859,335.39, 1,185,840.34 and 496,724.72 is: 685,455.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,335.39 : 1,185,840.34 = 496,724.72 : x
  2. Step 2: Convert to fraction form
    859,335.39/1,185,840.34 = 496,724.72/x
  3. Step 3: Cross multiply
    859,335.39x = 1,185,840.34 × 496,724.72
  4. Step 4: Simplify right side
    859,335.39x = 589,036,203,680.19
  5. Step 5: Solve for x
    x = 589,036,203,680.19/859,335.39
  6. Step 6: Final answer
    x = 685,455.54

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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.