Home / 749,958.32-1,034,782.44-444,130.76

Finding the Fourth Proportional to 749,958.32, 1,034,782.44 and 444,130.76

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Solution

The fourth proportional to 749,958.32, 1,034,782.44 and 444,130.76 is: 612,805.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,958.32 : 1,034,782.44 = 444,130.76 : x
  2. Step 2: Convert to fraction form
    749,958.32/1,034,782.44 = 444,130.76/x
  3. Step 3: Cross multiply
    749,958.32x = 1,034,782.44 × 444,130.76
  4. Step 4: Simplify right side
    749,958.32x = 459,578,711,511.85
  5. Step 5: Solve for x
    x = 459,578,711,511.85/749,958.32
  6. Step 6: Final answer
    x = 612,805.67

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Half scale
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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.