Home / 774,393.40-1,161,328.11-294,507.19

Finding the Fourth Proportional to 774,393.40, 1,161,328.11 and 294,507.19

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Solution

The fourth proportional to 774,393.40, 1,161,328.11 and 294,507.19 is: 441,661.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,393.40 : 1,161,328.11 = 294,507.19 : x
  2. Step 2: Convert to fraction form
    774,393.40/1,161,328.11 = 294,507.19/x
  3. Step 3: Cross multiply
    774,393.40x = 1,161,328.11 × 294,507.19
  4. Step 4: Simplify right side
    774,393.40x = 342,019,478,344.11
  5. Step 5: Solve for x
    x = 342,019,478,344.11/774,393.40
  6. Step 6: Final answer
    x = 441,661.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.