Home / 1,370,332.70-1,889,802.61-1,176,674.55

Finding the Fourth Proportional to 1,370,332.70, 1,889,802.61 and 1,176,674.55

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Solution

The fourth proportional to 1,370,332.70, 1,889,802.61 and 1,176,674.55 is: 1,622,731.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,332.70 : 1,889,802.61 = 1,176,674.55 : x
  2. Step 2: Convert to fraction form
    1,370,332.70/1,889,802.61 = 1,176,674.55/x
  3. Step 3: Cross multiply
    1,370,332.70x = 1,889,802.61 × 1,176,674.55
  4. Step 4: Simplify right side
    1,370,332.70x = 2,223,682,632,300.92
  5. Step 5: Solve for x
    x = 2,223,682,632,300.92/1,370,332.70
  6. Step 6: Final answer
    x = 1,622,731.93

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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.