Home / 682,828.48-942,303.38-376,904.96

Finding the Fourth Proportional to 682,828.48, 942,303.38 and 376,904.96

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Solution

The fourth proportional to 682,828.48, 942,303.38 and 376,904.96 is: 520,128.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,828.48 : 942,303.38 = 376,904.96 : x
  2. Step 2: Convert to fraction form
    682,828.48/942,303.38 = 376,904.96/x
  3. Step 3: Cross multiply
    682,828.48x = 942,303.38 × 376,904.96
  4. Step 4: Simplify right side
    682,828.48x = 355,158,817,746.77
  5. Step 5: Solve for x
    x = 355,158,817,746.77/682,828.48
  6. Step 6: Final answer
    x = 520,128.89

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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.