Home / 546,822.80-753,495.72-403,355.60

Finding the Fourth Proportional to 546,822.80, 753,495.72 and 403,355.60

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Solution

The fourth proportional to 546,822.80, 753,495.72 and 403,355.60 is: 555,804.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,822.80 : 753,495.72 = 403,355.60 : x
  2. Step 2: Convert to fraction form
    546,822.80/753,495.72 = 403,355.60/x
  3. Step 3: Cross multiply
    546,822.80x = 753,495.72 × 403,355.60
  4. Step 4: Simplify right side
    546,822.80x = 303,926,718,238.03
  5. Step 5: Solve for x
    x = 303,926,718,238.03/546,822.80
  6. Step 6: Final answer
    x = 555,804.77

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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.