Home / 840,579.36-1,159,998.18-458,606.16

Finding the Fourth Proportional to 840,579.36, 1,159,998.18 and 458,606.16

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Solution

The fourth proportional to 840,579.36, 1,159,998.18 and 458,606.16 is: 632,875.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,579.36 : 1,159,998.18 = 458,606.16 : x
  2. Step 2: Convert to fraction form
    840,579.36/1,159,998.18 = 458,606.16/x
  3. Step 3: Cross multiply
    840,579.36x = 1,159,998.18 × 458,606.16
  4. Step 4: Simplify right side
    840,579.36x = 531,982,310,936.79
  5. Step 5: Solve for x
    x = 531,982,310,936.79/840,579.36
  6. Step 6: Final answer
    x = 632,875.77

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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.