Home / 989,837.45-1,365,961.07-581,985.17

Finding the Fourth Proportional to 989,837.45, 1,365,961.07 and 581,985.17

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Solution

The fourth proportional to 989,837.45, 1,365,961.07 and 581,985.17 is: 803,130.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,837.45 : 1,365,961.07 = 581,985.17 : x
  2. Step 2: Convert to fraction form
    989,837.45/1,365,961.07 = 581,985.17/x
  3. Step 3: Cross multiply
    989,837.45x = 1,365,961.07 × 581,985.17
  4. Step 4: Simplify right side
    989,837.45x = 794,969,075,797.60
  5. Step 5: Solve for x
    x = 794,969,075,797.60/989,837.45
  6. Step 6: Final answer
    x = 803,130.94

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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.