Home / 572,268.48-789,547.68-330,519.12

Finding the Fourth Proportional to 572,268.48, 789,547.68 and 330,519.12

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Solution

The fourth proportional to 572,268.48, 789,547.68 and 330,519.12 is: 456,010.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,268.48 : 789,547.68 = 330,519.12 : x
  2. Step 2: Convert to fraction form
    572,268.48/789,547.68 = 330,519.12/x
  3. Step 3: Cross multiply
    572,268.48x = 789,547.68 × 330,519.12
  4. Step 4: Simplify right side
    572,268.48x = 260,960,604,391.64
  5. Step 5: Solve for x
    x = 260,960,604,391.64/572,268.48
  6. Step 6: Final answer
    x = 456,010.79

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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.