Home / 1,008,048.40-1,391,091.24-555,355.60

Finding the Fourth Proportional to 1,008,048.40, 1,391,091.24 and 555,355.60

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Solution

The fourth proportional to 1,008,048.40, 1,391,091.24 and 555,355.60 is: 766,382.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,048.40 : 1,391,091.24 = 555,355.60 : x
  2. Step 2: Convert to fraction form
    1,008,048.40/1,391,091.24 = 555,355.60/x
  3. Step 3: Cross multiply
    1,008,048.40x = 1,391,091.24 × 555,355.60
  4. Step 4: Simplify right side
    1,008,048.40x = 772,550,310,244.94
  5. Step 5: Solve for x
    x = 772,550,310,244.94/1,008,048.40
  6. Step 6: Final answer
    x = 766,382.16

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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.