Home / 686,430.19-946,223.67-481,907.35

Finding the Fourth Proportional to 686,430.19, 946,223.67 and 481,907.35

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Solution

The fourth proportional to 686,430.19, 946,223.67 and 481,907.35 is: 664,295.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,430.19 : 946,223.67 = 481,907.35 : x
  2. Step 2: Convert to fraction form
    686,430.19/946,223.67 = 481,907.35/x
  3. Step 3: Cross multiply
    686,430.19x = 946,223.67 × 481,907.35
  4. Step 4: Simplify right side
    686,430.19x = 455,992,141,316.98
  5. Step 5: Solve for x
    x = 455,992,141,316.98/686,430.19
  6. Step 6: Final answer
    x = 664,295.00

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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.