Home / 786,656.70-1,179,985.05-698,010.30

Finding the Fourth Proportional to 786,656.70, 1,179,985.05 and 698,010.30

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Solution

The fourth proportional to 786,656.70, 1,179,985.05 and 698,010.30 is: 1,047,015.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,656.70 : 1,179,985.05 = 698,010.30 : x
  2. Step 2: Convert to fraction form
    786,656.70/1,179,985.05 = 698,010.30/x
  3. Step 3: Cross multiply
    786,656.70x = 1,179,985.05 × 698,010.30
  4. Step 4: Simplify right side
    786,656.70x = 823,641,718,746.02
  5. Step 5: Solve for x
    x = 823,641,718,746.02/786,656.70
  6. Step 6: Final answer
    x = 1,047,015.45

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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.