Home / 557,848.16-769,836.48-303,199.40

Finding the Fourth Proportional to 557,848.16, 769,836.48 and 303,199.40

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Solution

The fourth proportional to 557,848.16, 769,836.48 and 303,199.40 is: 418,418.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,848.16 : 769,836.48 = 303,199.40 : x
  2. Step 2: Convert to fraction form
    557,848.16/769,836.48 = 303,199.40/x
  3. Step 3: Cross multiply
    557,848.16x = 769,836.48 × 303,199.40
  4. Step 4: Simplify right side
    557,848.16x = 233,413,958,834.11
  5. Step 5: Solve for x
    x = 233,413,958,834.11/557,848.16
  6. Step 6: Final answer
    x = 418,418.44

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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.