Home / 1,778,943.65-2,454,912.47-963,140.70

Finding the Fourth Proportional to 1,778,943.65, 2,454,912.47 and 963,140.70

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Solution

The fourth proportional to 1,778,943.65, 2,454,912.47 and 963,140.70 is: 1,329,118.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,943.65 : 2,454,912.47 = 963,140.70 : x
  2. Step 2: Convert to fraction form
    1,778,943.65/2,454,912.47 = 963,140.70/x
  3. Step 3: Cross multiply
    1,778,943.65x = 2,454,912.47 × 963,140.70
  4. Step 4: Simplify right side
    1,778,943.65x = 2,364,426,109,978.83
  5. Step 5: Solve for x
    x = 2,364,426,109,978.83/1,778,943.65
  6. Step 6: Final answer
    x = 1,329,118.05

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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.