Home / 594,669.57-821,325.15-391,628.04

Finding the Fourth Proportional to 594,669.57, 821,325.15 and 391,628.04

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Solution

The fourth proportional to 594,669.57, 821,325.15 and 391,628.04 is: 540,895.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,669.57 : 821,325.15 = 391,628.04 : x
  2. Step 2: Convert to fraction form
    594,669.57/821,325.15 = 391,628.04/x
  3. Step 3: Cross multiply
    594,669.57x = 821,325.15 × 391,628.04
  4. Step 4: Simplify right side
    594,669.57x = 321,653,958,697.21
  5. Step 5: Solve for x
    x = 321,653,958,697.21/594,669.57
  6. Step 6: Final answer
    x = 540,895.27

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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.