Home / 557,620.32-769,523.04-302,975.76

Finding the Fourth Proportional to 557,620.32, 769,523.04 and 302,975.76

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Solution

The fourth proportional to 557,620.32, 769,523.04 and 302,975.76 is: 418,110.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,620.32 : 769,523.04 = 302,975.76 : x
  2. Step 2: Convert to fraction form
    557,620.32/769,523.04 = 302,975.76/x
  3. Step 3: Cross multiply
    557,620.32x = 769,523.04 × 302,975.76
  4. Step 4: Simplify right side
    557,620.32x = 233,146,827,881.51
  5. Step 5: Solve for x
    x = 233,146,827,881.51/557,620.32
  6. Step 6: Final answer
    x = 418,110.35

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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.