Home / 840,411.01-1,159,775.58-458,445.79

Finding the Fourth Proportional to 840,411.01, 1,159,775.58 and 458,445.79

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Solution

The fourth proportional to 840,411.01, 1,159,775.58 and 458,445.79 is: 632,659.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,411.01 : 1,159,775.58 = 458,445.79 : x
  2. Step 2: Convert to fraction form
    840,411.01/1,159,775.58 = 458,445.79/x
  3. Step 3: Cross multiply
    840,411.01x = 1,159,775.58 × 458,445.79
  4. Step 4: Simplify right side
    840,411.01x = 531,694,231,995.81
  5. Step 5: Solve for x
    x = 531,694,231,995.81/840,411.01
  6. Step 6: Final answer
    x = 632,659.76

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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.