Home / 557,698.28-769,621.58-316,027.04

Finding the Fourth Proportional to 557,698.28, 769,621.58 and 316,027.04

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Solution

The fourth proportional to 557,698.28, 769,621.58 and 316,027.04 is: 436,116.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,698.28 : 769,621.58 = 316,027.04 : x
  2. Step 2: Convert to fraction form
    557,698.28/769,621.58 = 316,027.04/x
  3. Step 3: Cross multiply
    557,698.28x = 769,621.58 × 316,027.04
  4. Step 4: Simplify right side
    557,698.28x = 243,221,225,604.38
  5. Step 5: Solve for x
    x = 243,221,225,604.38/557,698.28
  6. Step 6: Final answer
    x = 436,116.15

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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.