Home / 609,314.24-840,734.16-382,828.52

Finding the Fourth Proportional to 609,314.24, 840,734.16 and 382,828.52

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Solution

The fourth proportional to 609,314.24, 840,734.16 and 382,828.52 is: 528,228.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,314.24 : 840,734.16 = 382,828.52 : x
  2. Step 2: Convert to fraction form
    609,314.24/840,734.16 = 382,828.52/x
  3. Step 3: Cross multiply
    609,314.24x = 840,734.16 × 382,828.52
  4. Step 4: Simplify right side
    609,314.24x = 321,857,014,186.24
  5. Step 5: Solve for x
    x = 321,857,014,186.24/609,314.24
  6. Step 6: Final answer
    x = 528,228.28

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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.