Home / 682,725.80-1,024,088.70-417,005.30

Finding the Fourth Proportional to 682,725.80, 1,024,088.70 and 417,005.30

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Solution

The fourth proportional to 682,725.80, 1,024,088.70 and 417,005.30 is: 625,507.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,725.80 : 1,024,088.70 = 417,005.30 : x
  2. Step 2: Convert to fraction form
    682,725.80/1,024,088.70 = 417,005.30/x
  3. Step 3: Cross multiply
    682,725.80x = 1,024,088.70 × 417,005.30
  4. Step 4: Simplify right side
    682,725.80x = 427,050,415,570.11
  5. Step 5: Solve for x
    x = 427,050,415,570.11/682,725.80
  6. Step 6: Final answer
    x = 625,507.95

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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.