Home / 583,440.36-805,297.50-379,998.24

Finding the Fourth Proportional to 583,440.36, 805,297.50 and 379,998.24

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Solution

The fourth proportional to 583,440.36, 805,297.50 and 379,998.24 is: 524,495.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,440.36 : 805,297.50 = 379,998.24 : x
  2. Step 2: Convert to fraction form
    583,440.36/805,297.50 = 379,998.24/x
  3. Step 3: Cross multiply
    583,440.36x = 805,297.50 × 379,998.24
  4. Step 4: Simplify right side
    583,440.36x = 306,011,632,676.40
  5. Step 5: Solve for x
    x = 306,011,632,676.40/583,440.36
  6. Step 6: Final answer
    x = 524,495.14

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Double scale
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Similar ratio
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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.