Home / 682,776.17-942,549.93-396,240.87

Finding the Fourth Proportional to 682,776.17, 942,549.93 and 396,240.87

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Solution

The fourth proportional to 682,776.17, 942,549.93 and 396,240.87 is: 546,997.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,776.17 : 942,549.93 = 396,240.87 : x
  2. Step 2: Convert to fraction form
    682,776.17/942,549.93 = 396,240.87/x
  3. Step 3: Cross multiply
    682,776.17x = 942,549.93 × 396,240.87
  4. Step 4: Simplify right side
    682,776.17x = 373,476,804,281.64
  5. Step 5: Solve for x
    x = 373,476,804,281.64/682,776.17
  6. Step 6: Final answer
    x = 546,997.43

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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.