Home / 1,155,074.85-1,593,950.81-638,833.50

Finding the Fourth Proportional to 1,155,074.85, 1,593,950.81 and 638,833.50

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Solution

The fourth proportional to 1,155,074.85, 1,593,950.81 and 638,833.50 is: 881,561.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,074.85 : 1,593,950.81 = 638,833.50 : x
  2. Step 2: Convert to fraction form
    1,155,074.85/1,593,950.81 = 638,833.50/x
  3. Step 3: Cross multiply
    1,155,074.85x = 1,593,950.81 × 638,833.50
  4. Step 4: Simplify right side
    1,155,074.85x = 1,018,269,171,585.97
  5. Step 5: Solve for x
    x = 1,018,269,171,585.97/1,155,074.85
  6. Step 6: Final answer
    x = 881,561.20

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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.