Home / 839,227.47-1,258,840.06-389,702.53

Finding the Fourth Proportional to 839,227.47, 1,258,840.06 and 389,702.53

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Solution

The fourth proportional to 839,227.47, 1,258,840.06 and 389,702.53 is: 584,553.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,227.47 : 1,258,840.06 = 389,702.53 : x
  2. Step 2: Convert to fraction form
    839,227.47/1,258,840.06 = 389,702.53/x
  3. Step 3: Cross multiply
    839,227.47x = 1,258,840.06 × 389,702.53
  4. Step 4: Simplify right side
    839,227.47x = 490,573,156,247.35
  5. Step 5: Solve for x
    x = 490,573,156,247.35/839,227.47
  6. Step 6: Final answer
    x = 584,553.26

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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.