Home / 682,826.98-942,301.31-376,903.45

Finding the Fourth Proportional to 682,826.98, 942,301.31 and 376,903.45

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Solution

The fourth proportional to 682,826.98, 942,301.31 and 376,903.45 is: 520,126.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,826.98 : 942,301.31 = 376,903.45 : x
  2. Step 2: Convert to fraction form
    682,826.98/942,301.31 = 376,903.45/x
  3. Step 3: Cross multiply
    682,826.98x = 942,301.31 × 376,903.45
  4. Step 4: Simplify right side
    682,826.98x = 355,156,614,678.52
  5. Step 5: Solve for x
    x = 355,156,614,678.52/682,826.98
  6. Step 6: Final answer
    x = 520,126.80

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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.