Home / 388,811.07-583,216.59-93,323.07

Finding the Fourth Proportional to 388,811.07, 583,216.59 and 93,323.07

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Solution

The fourth proportional to 388,811.07, 583,216.59 and 93,323.07 is: 139,984.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,811.07 : 583,216.59 = 93,323.07 : x
  2. Step 2: Convert to fraction form
    388,811.07/583,216.59 = 93,323.07/x
  3. Step 3: Cross multiply
    388,811.07x = 583,216.59 × 93,323.07
  4. Step 4: Simplify right side
    388,811.07x = 54,427,562,653.73
  5. Step 5: Solve for x
    x = 54,427,562,653.73/388,811.07
  6. Step 6: Final answer
    x = 139,984.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.