Home / 947,074.89-1,306,992.05-517,382.67

Finding the Fourth Proportional to 947,074.89, 1,306,992.05 and 517,382.67

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Solution

The fourth proportional to 947,074.89, 1,306,992.05 and 517,382.67 is: 714,003.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,074.89 : 1,306,992.05 = 517,382.67 : x
  2. Step 2: Convert to fraction form
    947,074.89/1,306,992.05 = 517,382.67/x
  3. Step 3: Cross multiply
    947,074.89x = 1,306,992.05 × 517,382.67
  4. Step 4: Simplify right side
    947,074.89x = 676,215,036,497.77
  5. Step 5: Solve for x
    x = 676,215,036,497.77/947,074.89
  6. Step 6: Final answer
    x = 714,003.76

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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.