Home / 668,923.02-923,108.94-362,991.69

Finding the Fourth Proportional to 668,923.02, 923,108.94 and 362,991.69

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Solution

The fourth proportional to 668,923.02, 923,108.94 and 362,991.69 is: 500,925.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,923.02 : 923,108.94 = 362,991.69 : x
  2. Step 2: Convert to fraction form
    668,923.02/923,108.94 = 362,991.69/x
  3. Step 3: Cross multiply
    668,923.02x = 923,108.94 × 362,991.69
  4. Step 4: Simplify right side
    668,923.02x = 335,080,874,184.71
  5. Step 5: Solve for x
    x = 335,080,874,184.71/668,923.02
  6. Step 6: Final answer
    x = 500,925.91

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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.