Home / 1,205,098.37-1,662,980.10-661,220.63

Finding the Fourth Proportional to 1,205,098.37, 1,662,980.10 and 661,220.63

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Solution

The fourth proportional to 1,205,098.37, 1,662,980.10 and 661,220.63 is: 912,453.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,098.37 : 1,662,980.10 = 661,220.63 : x
  2. Step 2: Convert to fraction form
    1,205,098.37/1,662,980.10 = 661,220.63/x
  3. Step 3: Cross multiply
    1,205,098.37x = 1,662,980.10 × 661,220.63
  4. Step 4: Simplify right side
    1,205,098.37x = 1,099,596,748,560.53
  5. Step 5: Solve for x
    x = 1,099,596,748,560.53/1,205,098.37
  6. Step 6: Final answer
    x = 912,453.93

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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.