Home / 574,986.40-793,482.06-320,346.52

Finding the Fourth Proportional to 574,986.40, 793,482.06 and 320,346.52

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Solution

The fourth proportional to 574,986.40, 793,482.06 and 320,346.52 is: 442,078.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,986.40 : 793,482.06 = 320,346.52 : x
  2. Step 2: Convert to fraction form
    574,986.40/793,482.06 = 320,346.52/x
  3. Step 3: Cross multiply
    574,986.40x = 793,482.06 × 320,346.52
  4. Step 4: Simplify right side
    574,986.40x = 254,189,216,603.43
  5. Step 5: Solve for x
    x = 254,189,216,603.43/574,986.40
  6. Step 6: Final answer
    x = 442,078.66

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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.