Home / 1,211,455.40-1,816,923.90-537,535.40

Finding the Fourth Proportional to 1,211,455.40, 1,816,923.90 and 537,535.40

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Solution

The fourth proportional to 1,211,455.40, 1,816,923.90 and 537,535.40 is: 806,188.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,455.40 : 1,816,923.90 = 537,535.40 : x
  2. Step 2: Convert to fraction form
    1,211,455.40/1,816,923.90 = 537,535.40/x
  3. Step 3: Cross multiply
    1,211,455.40x = 1,816,923.90 × 537,535.40
  4. Step 4: Simplify right side
    1,211,455.40x = 976,660,915,356.06
  5. Step 5: Solve for x
    x = 976,660,915,356.06/1,211,455.40
  6. Step 6: Final answer
    x = 806,188.09

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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.