Home / 583,621.79-805,399.50-325,515.46

Finding the Fourth Proportional to 583,621.79, 805,399.50 and 325,515.46

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Solution

The fourth proportional to 583,621.79, 805,399.50 and 325,515.46 is: 449,212.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,621.79 : 805,399.50 = 325,515.46 : x
  2. Step 2: Convert to fraction form
    583,621.79/805,399.50 = 325,515.46/x
  3. Step 3: Cross multiply
    583,621.79x = 805,399.50 × 325,515.46
  4. Step 4: Simplify right side
    583,621.79x = 262,169,983,071.70
  5. Step 5: Solve for x
    x = 262,169,983,071.70/583,621.79
  6. Step 6: Final answer
    x = 449,212.13

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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.