Home / 989,838.95-1,365,963.14-581,986.67

Finding the Fourth Proportional to 989,838.95, 1,365,963.14 and 581,986.67

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Solution

The fourth proportional to 989,838.95, 1,365,963.14 and 581,986.67 is: 803,133.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,838.95 : 1,365,963.14 = 581,986.67 : x
  2. Step 2: Convert to fraction form
    989,838.95/1,365,963.14 = 581,986.67/x
  3. Step 3: Cross multiply
    989,838.95x = 1,365,963.14 × 581,986.67
  4. Step 4: Simplify right side
    989,838.95x = 794,972,329,451.60
  5. Step 5: Solve for x
    x = 794,972,329,451.60/989,838.95
  6. Step 6: Final answer
    x = 803,133.01

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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.