Home / 499,923.36-690,216.12-446,115.84

Finding the Fourth Proportional to 499,923.36, 690,216.12 and 446,115.84

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Solution

The fourth proportional to 499,923.36, 690,216.12 and 446,115.84 is: 615,927.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,923.36 : 690,216.12 = 446,115.84 : x
  2. Step 2: Convert to fraction form
    499,923.36/690,216.12 = 446,115.84/x
  3. Step 3: Cross multiply
    499,923.36x = 690,216.12 × 446,115.84
  4. Step 4: Simplify right side
    499,923.36x = 307,916,344,155.34
  5. Step 5: Solve for x
    x = 307,916,344,155.34/499,923.36
  6. Step 6: Final answer
    x = 615,927.10

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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.