Home / 806,702.18-1,113,206.74-444,055.20

Finding the Fourth Proportional to 806,702.18, 1,113,206.74 and 444,055.20

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Solution

The fourth proportional to 806,702.18, 1,113,206.74 and 444,055.20 is: 612,772.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,702.18 : 1,113,206.74 = 444,055.20 : x
  2. Step 2: Convert to fraction form
    806,702.18/1,113,206.74 = 444,055.20/x
  3. Step 3: Cross multiply
    806,702.18x = 1,113,206.74 × 444,055.20
  4. Step 4: Simplify right side
    806,702.18x = 494,325,241,572.05
  5. Step 5: Solve for x
    x = 494,325,241,572.05/806,702.18
  6. Step 6: Final answer
    x = 612,772.91

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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.