Home / 840,506.92-1,159,876.56-458,533.60

Finding the Fourth Proportional to 840,506.92, 1,159,876.56 and 458,533.60

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Solution

The fourth proportional to 840,506.92, 1,159,876.56 and 458,533.60 is: 632,763.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,506.92 : 1,159,876.56 = 458,533.60 : x
  2. Step 2: Convert to fraction form
    840,506.92/1,159,876.56 = 458,533.60/x
  3. Step 3: Cross multiply
    840,506.92x = 1,159,876.56 × 458,533.60
  4. Step 4: Simplify right side
    840,506.92x = 531,842,374,612.42
  5. Step 5: Solve for x
    x = 531,842,374,612.42/840,506.92
  6. Step 6: Final answer
    x = 632,763.83

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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.