Home / 1,173,945.76-1,620,051.60-637,401.76

Finding the Fourth Proportional to 1,173,945.76, 1,620,051.60 and 637,401.76

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Solution

The fourth proportional to 1,173,945.76, 1,620,051.60 and 637,401.76 is: 879,617.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,945.76 : 1,620,051.60 = 637,401.76 : x
  2. Step 2: Convert to fraction form
    1,173,945.76/1,620,051.60 = 637,401.76/x
  3. Step 3: Cross multiply
    1,173,945.76x = 1,620,051.60 × 637,401.76
  4. Step 4: Simplify right side
    1,173,945.76x = 1,032,623,741,130.82
  5. Step 5: Solve for x
    x = 1,032,623,741,130.82/1,173,945.76
  6. Step 6: Final answer
    x = 879,617.93

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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.