Home / 541,559.40-747,252.37-312,084.51

Finding the Fourth Proportional to 541,559.40, 747,252.37 and 312,084.51

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Solution

The fourth proportional to 541,559.40, 747,252.37 and 312,084.51 is: 430,619.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,559.40 : 747,252.37 = 312,084.51 : x
  2. Step 2: Convert to fraction form
    541,559.40/747,252.37 = 312,084.51/x
  3. Step 3: Cross multiply
    541,559.40x = 747,252.37 × 312,084.51
  4. Step 4: Simplify right side
    541,559.40x = 233,205,889,737.79
  5. Step 5: Solve for x
    x = 233,205,889,737.79/541,559.40
  6. Step 6: Final answer
    x = 430,619.23

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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.