Home / 751,815.63-1,037,501.01-407,648.16

Finding the Fourth Proportional to 751,815.63, 1,037,501.01 and 407,648.16

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Solution

The fourth proportional to 751,815.63, 1,037,501.01 and 407,648.16 is: 562,551.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,815.63 : 1,037,501.01 = 407,648.16 : x
  2. Step 2: Convert to fraction form
    751,815.63/1,037,501.01 = 407,648.16/x
  3. Step 3: Cross multiply
    751,815.63x = 1,037,501.01 × 407,648.16
  4. Step 4: Simplify right side
    751,815.63x = 422,935,377,724.64
  5. Step 5: Solve for x
    x = 422,935,377,724.64/751,815.63
  6. Step 6: Final answer
    x = 562,551.99

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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.