Home / 1,124,020.40-1,686,030.60-1,005,922.40

Finding the Fourth Proportional to 1,124,020.40, 1,686,030.60 and 1,005,922.40

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Solution

The fourth proportional to 1,124,020.40, 1,686,030.60 and 1,005,922.40 is: 1,508,883.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,020.40 : 1,686,030.60 = 1,005,922.40 : x
  2. Step 2: Convert to fraction form
    1,124,020.40/1,686,030.60 = 1,005,922.40/x
  3. Step 3: Cross multiply
    1,124,020.40x = 1,686,030.60 × 1,005,922.40
  4. Step 4: Simplify right side
    1,124,020.40x = 1,696,015,947,625.44
  5. Step 5: Solve for x
    x = 1,696,015,947,625.44/1,124,020.40
  6. Step 6: Final answer
    x = 1,508,883.60

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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.