Home / 1,173,971.76-1,620,087.52-637,427.76

Finding the Fourth Proportional to 1,173,971.76, 1,620,087.52 and 637,427.76

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Solution

The fourth proportional to 1,173,971.76, 1,620,087.52 and 637,427.76 is: 879,653.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,971.76 : 1,620,087.52 = 637,427.76 : x
  2. Step 2: Convert to fraction form
    1,173,971.76/1,620,087.52 = 637,427.76/x
  3. Step 3: Cross multiply
    1,173,971.76x = 1,620,087.52 × 637,427.76
  4. Step 4: Simplify right side
    1,173,971.76x = 1,032,688,758,877.56
  5. Step 5: Solve for x
    x = 1,032,688,758,877.56/1,173,971.76
  6. Step 6: Final answer
    x = 879,653.83

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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.