Home / 1,384,962.56-1,911,253.56-773,104.40

Finding the Fourth Proportional to 1,384,962.56, 1,911,253.56 and 773,104.40

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Solution

The fourth proportional to 1,384,962.56, 1,911,253.56 and 773,104.40 is: 1,066,886.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,962.56 : 1,911,253.56 = 773,104.40 : x
  2. Step 2: Convert to fraction form
    1,384,962.56/1,911,253.56 = 773,104.40/x
  3. Step 3: Cross multiply
    1,384,962.56x = 1,911,253.56 × 773,104.40
  4. Step 4: Simplify right side
    1,384,962.56x = 1,477,598,536,751.66
  5. Step 5: Solve for x
    x = 1,477,598,536,751.66/1,384,962.56
  6. Step 6: Final answer
    x = 1,066,886.99

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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.