Home / 840,306.36-1,159,636.60-458,333.16

Finding the Fourth Proportional to 840,306.36, 1,159,636.60 and 458,333.16

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Solution

The fourth proportional to 840,306.36, 1,159,636.60 and 458,333.16 is: 632,507.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,306.36 : 1,159,636.60 = 458,333.16 : x
  2. Step 2: Convert to fraction form
    840,306.36/1,159,636.60 = 458,333.16/x
  3. Step 3: Cross multiply
    840,306.36x = 1,159,636.60 × 458,333.16
  4. Step 4: Simplify right side
    840,306.36x = 531,499,907,329.66
  5. Step 5: Solve for x
    x = 531,499,907,329.66/840,306.36
  6. Step 6: Final answer
    x = 632,507.30

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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.