Home / 592,918.32-818,226.27-320,986.11

Finding the Fourth Proportional to 592,918.32, 818,226.27 and 320,986.11

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Solution

The fourth proportional to 592,918.32, 818,226.27 and 320,986.11 is: 442,960.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,918.32 : 818,226.27 = 320,986.11 : x
  2. Step 2: Convert to fraction form
    592,918.32/818,226.27 = 320,986.11/x
  3. Step 3: Cross multiply
    592,918.32x = 818,226.27 × 320,986.11
  4. Step 4: Simplify right side
    592,918.32x = 262,639,267,507.11
  5. Step 5: Solve for x
    x = 262,639,267,507.11/592,918.32
  6. Step 6: Final answer
    x = 442,960.28

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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.