Home / 839,207.16-1,258,809.59-389,682.23

Finding the Fourth Proportional to 839,207.16, 1,258,809.59 and 389,682.23

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Solution

The fourth proportional to 839,207.16, 1,258,809.59 and 389,682.23 is: 584,522.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,207.16 : 1,258,809.59 = 389,682.23 : x
  2. Step 2: Convert to fraction form
    839,207.16/1,258,809.59 = 389,682.23/x
  3. Step 3: Cross multiply
    839,207.16x = 1,258,809.59 × 389,682.23
  4. Step 4: Simplify right side
    839,207.16x = 490,535,722,856.74
  5. Step 5: Solve for x
    x = 490,535,722,856.74/839,207.16
  6. Step 6: Final answer
    x = 584,522.80

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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.