Home / 1,938,178.23-2,907,038.39-518,344.35

Finding the Fourth Proportional to 1,938,178.23, 2,907,038.39 and 518,344.35

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Solution

The fourth proportional to 1,938,178.23, 2,907,038.39 and 518,344.35 is: 777,455.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,178.23 : 2,907,038.39 = 518,344.35 : x
  2. Step 2: Convert to fraction form
    1,938,178.23/2,907,038.39 = 518,344.35/x
  3. Step 3: Cross multiply
    1,938,178.23x = 2,907,038.39 × 518,344.35
  4. Step 4: Simplify right side
    1,938,178.23x = 1,506,846,922,097.87
  5. Step 5: Solve for x
    x = 1,506,846,922,097.87/1,938,178.23
  6. Step 6: Final answer
    x = 777,455.29

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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.