Home / 689,759.03-951,950.33-417,818.94

Finding the Fourth Proportional to 689,759.03, 951,950.33 and 417,818.94

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Solution

The fourth proportional to 689,759.03, 951,950.33 and 417,818.94 is: 576,640.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,759.03 : 951,950.33 = 417,818.94 : x
  2. Step 2: Convert to fraction form
    689,759.03/951,950.33 = 417,818.94/x
  3. Step 3: Cross multiply
    689,759.03x = 951,950.33 × 417,818.94
  4. Step 4: Simplify right side
    689,759.03x = 397,742,875,724.16
  5. Step 5: Solve for x
    x = 397,742,875,724.16/689,759.03
  6. Step 6: Final answer
    x = 576,640.34

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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.