Home / 1,174,455.50-1,620,750.21-637,911.50

Finding the Fourth Proportional to 1,174,455.50, 1,620,750.21 and 637,911.50

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Solution

The fourth proportional to 1,174,455.50, 1,620,750.21 and 637,911.50 is: 880,318.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,455.50 : 1,620,750.21 = 637,911.50 : x
  2. Step 2: Convert to fraction form
    1,174,455.50/1,620,750.21 = 637,911.50/x
  3. Step 3: Cross multiply
    1,174,455.50x = 1,620,750.21 × 637,911.50
  4. Step 4: Simplify right side
    1,174,455.50x = 1,033,895,197,586.41
  5. Step 5: Solve for x
    x = 1,033,895,197,586.41/1,174,455.50
  6. Step 6: Final answer
    x = 880,318.75

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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.