Home / 566,731.06-782,071.77-312,083.62

Finding the Fourth Proportional to 566,731.06, 782,071.77 and 312,083.62

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Solution

The fourth proportional to 566,731.06, 782,071.77 and 312,083.62 is: 430,665.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,731.06 : 782,071.77 = 312,083.62 : x
  2. Step 2: Convert to fraction form
    566,731.06/782,071.77 = 312,083.62/x
  3. Step 3: Cross multiply
    566,731.06x = 782,071.77 × 312,083.62
  4. Step 4: Simplify right side
    566,731.06x = 244,071,789,081.41
  5. Step 5: Solve for x
    x = 244,071,789,081.41/566,731.06
  6. Step 6: Final answer
    x = 430,665.98

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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.