Home / 1,188,935.16-1,783,465.05-905,070.93

Finding the Fourth Proportional to 1,188,935.16, 1,783,465.05 and 905,070.93

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Solution

The fourth proportional to 1,188,935.16, 1,783,465.05 and 905,070.93 is: 1,357,653.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,935.16 : 1,783,465.05 = 905,070.93 : x
  2. Step 2: Convert to fraction form
    1,188,935.16/1,783,465.05 = 905,070.93/x
  3. Step 3: Cross multiply
    1,188,935.16x = 1,783,465.05 × 905,070.93
  4. Step 4: Simplify right side
    1,188,935.16x = 1,614,162,371,426.00
  5. Step 5: Solve for x
    x = 1,614,162,371,426.00/1,188,935.16
  6. Step 6: Final answer
    x = 1,357,653.83

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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.