Home / 839,432.32-1,258,686.78-573,493.12

Finding the Fourth Proportional to 839,432.32, 1,258,686.78 and 573,493.12

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Solution

The fourth proportional to 839,432.32, 1,258,686.78 and 573,493.12 is: 859,924.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,432.32 : 1,258,686.78 = 573,493.12 : x
  2. Step 2: Convert to fraction form
    839,432.32/1,258,686.78 = 573,493.12/x
  3. Step 3: Cross multiply
    839,432.32x = 1,258,686.78 × 573,493.12
  4. Step 4: Simplify right side
    839,432.32x = 721,848,208,564.95
  5. Step 5: Solve for x
    x = 721,848,208,564.95/839,432.32
  6. Step 6: Final answer
    x = 859,924.25

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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.