Home / 1,049,784-1,574,909.28-384,936

Finding the Fourth Proportional to 1,049,784, 1,574,909.28 and 384,936

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Solution

The fourth proportional to 1,049,784, 1,574,909.28 and 384,936 is: 577,489.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,784 : 1,574,909.28 = 384,936 : x
  2. Step 2: Convert to fraction form
    1,049,784/1,574,909.28 = 384,936/x
  3. Step 3: Cross multiply
    1,049,784x = 1,574,909.28 × 384,936
  4. Step 4: Simplify right side
    1,049,784x = 606,239,278,606.08
  5. Step 5: Solve for x
    x = 606,239,278,606.08/1,049,784
  6. Step 6: Final answer
    x = 577,489.54

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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.