Home / 841,159.30-1,261,738.95-776,205.40

Finding the Fourth Proportional to 841,159.30, 1,261,738.95 and 776,205.40

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Solution

The fourth proportional to 841,159.30, 1,261,738.95 and 776,205.40 is: 1,164,308.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,159.30 : 1,261,738.95 = 776,205.40 : x
  2. Step 2: Convert to fraction form
    841,159.30/1,261,738.95 = 776,205.40/x
  3. Step 3: Cross multiply
    841,159.30x = 1,261,738.95 × 776,205.40
  4. Step 4: Simplify right side
    841,159.30x = 979,368,586,380.33
  5. Step 5: Solve for x
    x = 979,368,586,380.33/841,159.30
  6. Step 6: Final answer
    x = 1,164,308.10

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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.