Home / 1,396,360.98-1,927,003.73-776,224.35

Finding the Fourth Proportional to 1,396,360.98, 1,927,003.73 and 776,224.35

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Solution

The fourth proportional to 1,396,360.98, 1,927,003.73 and 776,224.35 is: 1,071,203.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,360.98 : 1,927,003.73 = 776,224.35 : x
  2. Step 2: Convert to fraction form
    1,396,360.98/1,927,003.73 = 776,224.35/x
  3. Step 3: Cross multiply
    1,396,360.98x = 1,927,003.73 × 776,224.35
  4. Step 4: Simplify right side
    1,396,360.98x = 1,495,787,213,885.70
  5. Step 5: Solve for x
    x = 1,495,787,213,885.70/1,396,360.98
  6. Step 6: Final answer
    x = 1,071,203.82

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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.