Home / 1,298,598.45-1,947,897.69-351,969.17

Finding the Fourth Proportional to 1,298,598.45, 1,947,897.69 and 351,969.17

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Solution

The fourth proportional to 1,298,598.45, 1,947,897.69 and 351,969.17 is: 527,953.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,598.45 : 1,947,897.69 = 351,969.17 : x
  2. Step 2: Convert to fraction form
    1,298,598.45/1,947,897.69 = 351,969.17/x
  3. Step 3: Cross multiply
    1,298,598.45x = 1,947,897.69 × 351,969.17
  4. Step 4: Simplify right side
    1,298,598.45x = 685,599,922,134.85
  5. Step 5: Solve for x
    x = 685,599,922,134.85/1,298,598.45
  6. Step 6: Final answer
    x = 527,953.75

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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.