Home / 839,283.86-1,158,211.98-457,310.54

Finding the Fourth Proportional to 839,283.86, 1,158,211.98 and 457,310.54

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Solution

The fourth proportional to 839,283.86, 1,158,211.98 and 457,310.54 is: 631,088.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,283.86 : 1,158,211.98 = 457,310.54 : x
  2. Step 2: Convert to fraction form
    839,283.86/1,158,211.98 = 457,310.54/x
  3. Step 3: Cross multiply
    839,283.86x = 1,158,211.98 × 457,310.54
  4. Step 4: Simplify right side
    839,283.86x = 529,662,546,008.27
  5. Step 5: Solve for x
    x = 529,662,546,008.27/839,283.86
  6. Step 6: Final answer
    x = 631,088.68

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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.