Home / 662,965.49-914,868.02-405,274.01

Finding the Fourth Proportional to 662,965.49, 914,868.02 and 405,274.01

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Solution

The fourth proportional to 662,965.49, 914,868.02 and 405,274.01 is: 559,263.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,965.49 : 914,868.02 = 405,274.01 : x
  2. Step 2: Convert to fraction form
    662,965.49/914,868.02 = 405,274.01/x
  3. Step 3: Cross multiply
    662,965.49x = 914,868.02 × 405,274.01
  4. Step 4: Simplify right side
    662,965.49x = 370,772,227,525.01
  5. Step 5: Solve for x
    x = 370,772,227,525.01/662,965.49
  6. Step 6: Final answer
    x = 559,263.24

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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.