Home / 806,262.80-1,112,688.63-462,156.03

Finding the Fourth Proportional to 806,262.80, 1,112,688.63 and 462,156.03

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Solution

The fourth proportional to 806,262.80, 1,112,688.63 and 462,156.03 is: 637,801.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,262.80 : 1,112,688.63 = 462,156.03 : x
  2. Step 2: Convert to fraction form
    806,262.80/1,112,688.63 = 462,156.03/x
  3. Step 3: Cross multiply
    806,262.80x = 1,112,688.63 × 462,156.03
  4. Step 4: Simplify right side
    806,262.80x = 514,235,759,866.94
  5. Step 5: Solve for x
    x = 514,235,759,866.94/806,262.80
  6. Step 6: Final answer
    x = 637,801.67

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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.