Home / 1,256,436.96-1,733,888.16-683,480.40

Finding the Fourth Proportional to 1,256,436.96, 1,733,888.16 and 683,480.40

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Solution

The fourth proportional to 1,256,436.96, 1,733,888.16 and 683,480.40 is: 943,205.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,436.96 : 1,733,888.16 = 683,480.40 : x
  2. Step 2: Convert to fraction form
    1,256,436.96/1,733,888.16 = 683,480.40/x
  3. Step 3: Cross multiply
    1,256,436.96x = 1,733,888.16 × 683,480.40
  4. Step 4: Simplify right side
    1,256,436.96x = 1,185,078,573,152.06
  5. Step 5: Solve for x
    x = 1,185,078,573,152.06/1,256,436.96
  6. Step 6: Final answer
    x = 943,205.76

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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.