Home / 390,616.28-584,968.94-352,751.07

Finding the Fourth Proportional to 390,616.28, 584,968.94 and 352,751.07

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Solution

The fourth proportional to 390,616.28, 584,968.94 and 352,751.07 is: 528,263.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,616.28 : 584,968.94 = 352,751.07 : x
  2. Step 2: Convert to fraction form
    390,616.28/584,968.94 = 352,751.07/x
  3. Step 3: Cross multiply
    390,616.28x = 584,968.94 × 352,751.07
  4. Step 4: Simplify right side
    390,616.28x = 206,348,417,738.01
  5. Step 5: Solve for x
    x = 206,348,417,738.01/390,616.28
  6. Step 6: Final answer
    x = 528,263.75

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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.