Home / 628,541.84-867,821.68-588,388.52

Finding the Fourth Proportional to 628,541.84, 867,821.68 and 588,388.52

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Solution

The fourth proportional to 628,541.84, 867,821.68 and 588,388.52 is: 812,382.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,541.84 : 867,821.68 = 588,388.52 : x
  2. Step 2: Convert to fraction form
    628,541.84/867,821.68 = 588,388.52/x
  3. Step 3: Cross multiply
    628,541.84x = 867,821.68 × 588,388.52
  4. Step 4: Simplify right side
    628,541.84x = 510,616,313,919.11
  5. Step 5: Solve for x
    x = 510,616,313,919.11/628,541.84
  6. Step 6: Final answer
    x = 812,382.38

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1.5x scale

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.