Home / 1,938,703.92-2,907,833.40-518,870.76

Finding the Fourth Proportional to 1,938,703.92, 2,907,833.40 and 518,870.76

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Solution

The fourth proportional to 1,938,703.92, 2,907,833.40 and 518,870.76 is: 778,246.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,703.92 : 2,907,833.40 = 518,870.76 : x
  2. Step 2: Convert to fraction form
    1,938,703.92/2,907,833.40 = 518,870.76/x
  3. Step 3: Cross multiply
    1,938,703.92x = 2,907,833.40 × 518,870.76
  4. Step 4: Simplify right side
    1,938,703.92x = 1,508,789,726,211.38
  5. Step 5: Solve for x
    x = 1,508,789,726,211.38/1,938,703.92
  6. Step 6: Final answer
    x = 778,246.60

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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.