Home / 769,810.36-1,062,360.30-430,279.24

Finding the Fourth Proportional to 769,810.36, 1,062,360.30 and 430,279.24

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Solution

The fourth proportional to 769,810.36, 1,062,360.30 and 430,279.24 is: 593,797.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,810.36 : 1,062,360.30 = 430,279.24 : x
  2. Step 2: Convert to fraction form
    769,810.36/1,062,360.30 = 430,279.24/x
  3. Step 3: Cross multiply
    769,810.36x = 1,062,360.30 × 430,279.24
  4. Step 4: Simplify right side
    769,810.36x = 457,111,582,490.17
  5. Step 5: Solve for x
    x = 457,111,582,490.17/769,810.36
  6. Step 6: Final answer
    x = 593,797.65

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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.