Home / 977,180.63-1,348,476.66-541,579.41

Finding the Fourth Proportional to 977,180.63, 1,348,476.66 and 541,579.41

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Solution

The fourth proportional to 977,180.63, 1,348,476.66 and 541,579.41 is: 747,361.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,180.63 : 1,348,476.66 = 541,579.41 : x
  2. Step 2: Convert to fraction form
    977,180.63/1,348,476.66 = 541,579.41/x
  3. Step 3: Cross multiply
    977,180.63x = 1,348,476.66 × 541,579.41
  4. Step 4: Simplify right side
    977,180.63x = 730,307,193,921.57
  5. Step 5: Solve for x
    x = 730,307,193,921.57/977,180.63
  6. Step 6: Final answer
    x = 747,361.52

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1.5x scale

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.