Home / 583,453.09-805,164.06-315,181.09

Finding the Fourth Proportional to 583,453.09, 805,164.06 and 315,181.09

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Solution

The fourth proportional to 583,453.09, 805,164.06 and 315,181.09 is: 434,949.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,453.09 : 805,164.06 = 315,181.09 : x
  2. Step 2: Convert to fraction form
    583,453.09/805,164.06 = 315,181.09/x
  3. Step 3: Cross multiply
    583,453.09x = 805,164.06 × 315,181.09
  4. Step 4: Simplify right side
    583,453.09x = 253,772,486,059.63
  5. Step 5: Solve for x
    x = 253,772,486,059.63/583,453.09
  6. Step 6: Final answer
    x = 434,949.25

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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.