Home / 1,886,025.40-2,829,459.94-687,947.77

Finding the Fourth Proportional to 1,886,025.40, 2,829,459.94 and 687,947.77

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Solution

The fourth proportional to 1,886,025.40, 2,829,459.94 and 687,947.77 is: 1,032,075.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,886,025.40 : 2,829,459.94 = 687,947.77 : x
  2. Step 2: Convert to fraction form
    1,886,025.40/2,829,459.94 = 687,947.77/x
  3. Step 3: Cross multiply
    1,886,025.40x = 2,829,459.94 × 687,947.77
  4. Step 4: Simplify right side
    1,886,025.40x = 1,946,520,656,027.33
  5. Step 5: Solve for x
    x = 1,946,520,656,027.33/1,886,025.40
  6. Step 6: Final answer
    x = 1,032,075.53

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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.