Home / 1,409,063.64-1,944,518.82-828,130.76

Finding the Fourth Proportional to 1,409,063.64, 1,944,518.82 and 828,130.76

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Solution

The fourth proportional to 1,409,063.64, 1,944,518.82 and 828,130.76 is: 1,142,826.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,063.64 : 1,944,518.82 = 828,130.76 : x
  2. Step 2: Convert to fraction form
    1,409,063.64/1,944,518.82 = 828,130.76/x
  3. Step 3: Cross multiply
    1,409,063.64x = 1,944,518.82 × 828,130.76
  4. Step 4: Simplify right side
    1,409,063.64x = 1,610,315,848,240.90
  5. Step 5: Solve for x
    x = 1,610,315,848,240.90/1,409,063.64
  6. Step 6: Final answer
    x = 1,142,826.91

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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.