Home / 451,029.30-622,421.18-247,075.77

Finding the Fourth Proportional to 451,029.30, 622,421.18 and 247,075.77

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Solution

The fourth proportional to 451,029.30, 622,421.18 and 247,075.77 is: 340,964.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,029.30 : 622,421.18 = 247,075.77 : x
  2. Step 2: Convert to fraction form
    451,029.30/622,421.18 = 247,075.77/x
  3. Step 3: Cross multiply
    451,029.30x = 622,421.18 × 247,075.77
  4. Step 4: Simplify right side
    451,029.30x = 153,785,192,312.81
  5. Step 5: Solve for x
    x = 153,785,192,312.81/451,029.30
  6. Step 6: Final answer
    x = 340,964.98

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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.