Home / 1,225,678.18-1,838,517.81-384,295.54

Finding the Fourth Proportional to 1,225,678.18, 1,838,517.81 and 384,295.54

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Solution

The fourth proportional to 1,225,678.18, 1,838,517.81 and 384,295.54 is: 576,443.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,678.18 : 1,838,517.81 = 384,295.54 : x
  2. Step 2: Convert to fraction form
    1,225,678.18/1,838,517.81 = 384,295.54/x
  3. Step 3: Cross multiply
    1,225,678.18x = 1,838,517.81 × 384,295.54
  4. Step 4: Simplify right side
    1,225,678.18x = 706,534,194,593.57
  5. Step 5: Solve for x
    x = 706,534,194,593.57/1,225,678.18
  6. Step 6: Final answer
    x = 576,443.48

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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.