Home / 716,533.73-988,811.06-406,495.50

Finding the Fourth Proportional to 716,533.73, 988,811.06 and 406,495.50

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Solution

The fourth proportional to 716,533.73, 988,811.06 and 406,495.50 is: 560,960.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,533.73 : 988,811.06 = 406,495.50 : x
  2. Step 2: Convert to fraction form
    716,533.73/988,811.06 = 406,495.50/x
  3. Step 3: Cross multiply
    716,533.73x = 988,811.06 × 406,495.50
  4. Step 4: Simplify right side
    716,533.73x = 401,947,246,240.23
  5. Step 5: Solve for x
    x = 401,947,246,240.23/716,533.73
  6. Step 6: Final answer
    x = 560,960.68

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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.