Home / 766,123.03-1,057,228.12-417,255.54

Finding the Fourth Proportional to 766,123.03, 1,057,228.12 and 417,255.54

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Solution

The fourth proportional to 766,123.03, 1,057,228.12 and 417,255.54 is: 575,800.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,123.03 : 1,057,228.12 = 417,255.54 : x
  2. Step 2: Convert to fraction form
    766,123.03/1,057,228.12 = 417,255.54/x
  3. Step 3: Cross multiply
    766,123.03x = 1,057,228.12 × 417,255.54
  4. Step 4: Simplify right side
    766,123.03x = 441,134,284,323.69
  5. Step 5: Solve for x
    x = 441,134,284,323.69/766,123.03
  6. Step 6: Final answer
    x = 575,800.84

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Double scale
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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.