Home / 689,359.19-951,302.01-383,429.01

Finding the Fourth Proportional to 689,359.19, 951,302.01 and 383,429.01

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Solution

The fourth proportional to 689,359.19, 951,302.01 and 383,429.01 is: 529,124.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,359.19 : 951,302.01 = 383,429.01 : x
  2. Step 2: Convert to fraction form
    689,359.19/951,302.01 = 383,429.01/x
  3. Step 3: Cross multiply
    689,359.19x = 951,302.01 × 383,429.01
  4. Step 4: Simplify right side
    689,359.19x = 364,756,783,148.80
  5. Step 5: Solve for x
    x = 364,756,783,148.80/689,359.19
  6. Step 6: Final answer
    x = 529,124.42

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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.