Home / 592,340.16-816,579.16-422,279.04

Finding the Fourth Proportional to 592,340.16, 816,579.16 and 422,279.04

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Solution

The fourth proportional to 592,340.16, 816,579.16 and 422,279.04 is: 582,138.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,340.16 : 816,579.16 = 422,279.04 : x
  2. Step 2: Convert to fraction form
    592,340.16/816,579.16 = 422,279.04/x
  3. Step 3: Cross multiply
    592,340.16x = 816,579.16 × 422,279.04
  4. Step 4: Simplify right side
    592,340.16x = 344,824,263,768.81
  5. Step 5: Solve for x
    x = 344,824,263,768.81/592,340.16
  6. Step 6: Final answer
    x = 582,138.92

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Half scale
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Double scale
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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.