Home / 1,009,695.75-1,514,099.52-378,166.68

Finding the Fourth Proportional to 1,009,695.75, 1,514,099.52 and 378,166.68

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Solution

The fourth proportional to 1,009,695.75, 1,514,099.52 and 378,166.68 is: 567,083.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,695.75 : 1,514,099.52 = 378,166.68 : x
  2. Step 2: Convert to fraction form
    1,009,695.75/1,514,099.52 = 378,166.68/x
  3. Step 3: Cross multiply
    1,009,695.75x = 1,514,099.52 × 378,166.68
  4. Step 4: Simplify right side
    1,009,695.75x = 572,581,988,667.99
  5. Step 5: Solve for x
    x = 572,581,988,667.99/1,009,695.75
  6. Step 6: Final answer
    x = 567,083.69

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.