Home / 1,640,253.34-2,263,551.02-915,101.21

Finding the Fourth Proportional to 1,640,253.34, 2,263,551.02 and 915,101.21

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Solution

The fourth proportional to 1,640,253.34, 2,263,551.02 and 915,101.21 is: 1,262,840.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,253.34 : 2,263,551.02 = 915,101.21 : x
  2. Step 2: Convert to fraction form
    1,640,253.34/2,263,551.02 = 915,101.21/x
  3. Step 3: Cross multiply
    1,640,253.34x = 2,263,551.02 × 915,101.21
  4. Step 4: Simplify right side
    1,640,253.34x = 2,071,378,286,961.18
  5. Step 5: Solve for x
    x = 2,071,378,286,961.18/1,640,253.34
  6. Step 6: Final answer
    x = 1,262,840.46

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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.