Home / 889,960.12-1,335,235.38-357,206.92

Finding the Fourth Proportional to 889,960.12, 1,335,235.38 and 357,206.92

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Solution

The fourth proportional to 889,960.12, 1,335,235.38 and 357,206.92 is: 535,928.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,960.12 : 1,335,235.38 = 357,206.92 : x
  2. Step 2: Convert to fraction form
    889,960.12/1,335,235.38 = 357,206.92/x
  3. Step 3: Cross multiply
    889,960.12x = 1,335,235.38 × 357,206.92
  4. Step 4: Simplify right side
    889,960.12x = 476,955,317,564.83
  5. Step 5: Solve for x
    x = 476,955,317,564.83/889,960.12
  6. Step 6: Final answer
    x = 535,928.87

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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.