Home / 977,124.88-1,348,424.94-547,408.54

Finding the Fourth Proportional to 977,124.88, 1,348,424.94 and 547,408.54

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Solution

The fourth proportional to 977,124.88, 1,348,424.94 and 547,408.54 is: 755,419.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,124.88 : 1,348,424.94 = 547,408.54 : x
  2. Step 2: Convert to fraction form
    977,124.88/1,348,424.94 = 547,408.54/x
  3. Step 3: Cross multiply
    977,124.88x = 1,348,424.94 × 547,408.54
  4. Step 4: Simplify right side
    977,124.88x = 738,139,324,333.93
  5. Step 5: Solve for x
    x = 738,139,324,333.93/977,124.88
  6. Step 6: Final answer
    x = 755,419.64

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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.