Home / 1,279,038.94-1,765,077.56-698,262.98

Finding the Fourth Proportional to 1,279,038.94, 1,765,077.56 and 698,262.98

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Solution

The fourth proportional to 1,279,038.94, 1,765,077.56 and 698,262.98 is: 963,605.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,038.94 : 1,765,077.56 = 698,262.98 : x
  2. Step 2: Convert to fraction form
    1,279,038.94/1,765,077.56 = 698,262.98/x
  3. Step 3: Cross multiply
    1,279,038.94x = 1,765,077.56 × 698,262.98
  4. Step 4: Simplify right side
    1,279,038.94x = 1,232,488,316,976.73
  5. Step 5: Solve for x
    x = 1,232,488,316,976.73/1,279,038.94
  6. Step 6: Final answer
    x = 963,605.00

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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.