Home / 1,405,535.16-1,939,671.18-793,884.72

Finding the Fourth Proportional to 1,405,535.16, 1,939,671.18 and 793,884.72

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Solution

The fourth proportional to 1,405,535.16, 1,939,671.18 and 793,884.72 is: 1,095,579.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,535.16 : 1,939,671.18 = 793,884.72 : x
  2. Step 2: Convert to fraction form
    1,405,535.16/1,939,671.18 = 793,884.72/x
  3. Step 3: Cross multiply
    1,405,535.16x = 1,939,671.18 × 793,884.72
  4. Step 4: Simplify right side
    1,405,535.16x = 1,539,875,311,626.37
  5. Step 5: Solve for x
    x = 1,539,875,311,626.37/1,405,535.16
  6. Step 6: Final answer
    x = 1,095,579.36

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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.