Home / 1,563,570.78-2,159,074.35-983,760.63

Finding the Fourth Proportional to 1,563,570.78, 2,159,074.35 and 983,760.63

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Solution

The fourth proportional to 1,563,570.78, 2,159,074.35 and 983,760.63 is: 1,358,436.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563,570.78 : 2,159,074.35 = 983,760.63 : x
  2. Step 2: Convert to fraction form
    1,563,570.78/2,159,074.35 = 983,760.63/x
  3. Step 3: Cross multiply
    1,563,570.78x = 2,159,074.35 × 983,760.63
  4. Step 4: Simplify right side
    1,563,570.78x = 2,124,012,342,772.84
  5. Step 5: Solve for x
    x = 2,124,012,342,772.84/1,563,570.78
  6. Step 6: Final answer
    x = 1,358,436.96

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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.