Home / 742,383.92-1,024,509.66-402,852.44

Finding the Fourth Proportional to 742,383.92, 1,024,509.66 and 402,852.44

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Solution

The fourth proportional to 742,383.92, 1,024,509.66 and 402,852.44 is: 555,947.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,383.92 : 1,024,509.66 = 402,852.44 : x
  2. Step 2: Convert to fraction form
    742,383.92/1,024,509.66 = 402,852.44/x
  3. Step 3: Cross multiply
    742,383.92x = 1,024,509.66 × 402,852.44
  4. Step 4: Simplify right side
    742,383.92x = 412,726,216,334.57
  5. Step 5: Solve for x
    x = 412,726,216,334.57/742,383.92
  6. Step 6: Final answer
    x = 555,947.14

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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.