Home / 1,205,497.50-1,663,664.47-668,953.50

Finding the Fourth Proportional to 1,205,497.50, 1,663,664.47 and 668,953.50

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Solution

The fourth proportional to 1,205,497.50, 1,663,664.47 and 668,953.50 is: 923,199.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,497.50 : 1,663,664.47 = 668,953.50 : x
  2. Step 2: Convert to fraction form
    1,205,497.50/1,663,664.47 = 668,953.50/x
  3. Step 3: Cross multiply
    1,205,497.50x = 1,663,664.47 × 668,953.50
  4. Step 4: Simplify right side
    1,205,497.50x = 1,112,914,170,032.15
  5. Step 5: Solve for x
    x = 1,112,914,170,032.15/1,205,497.50
  6. Step 6: Final answer
    x = 923,199.07

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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.