Home / 1,124,188.99-1,686,305.36-413,851.39

Finding the Fourth Proportional to 1,124,188.99, 1,686,305.36 and 413,851.39

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Solution

The fourth proportional to 1,124,188.99, 1,686,305.36 and 413,851.39 is: 620,785.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,188.99 : 1,686,305.36 = 413,851.39 : x
  2. Step 2: Convert to fraction form
    1,124,188.99/1,686,305.36 = 413,851.39/x
  3. Step 3: Cross multiply
    1,124,188.99x = 1,686,305.36 × 413,851.39
  4. Step 4: Simplify right side
    1,124,188.99x = 697,879,817,200.45
  5. Step 5: Solve for x
    x = 697,879,817,200.45/1,124,188.99
  6. Step 6: Final answer
    x = 620,785.14

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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.