Home / 783,002.74-1,174,678.87-250,555.72

Finding the Fourth Proportional to 783,002.74, 1,174,678.87 and 250,555.72

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Solution

The fourth proportional to 783,002.74, 1,174,678.87 and 250,555.72 is: 375,889.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,002.74 : 1,174,678.87 = 250,555.72 : x
  2. Step 2: Convert to fraction form
    783,002.74/1,174,678.87 = 250,555.72/x
  3. Step 3: Cross multiply
    783,002.74x = 1,174,678.87 × 250,555.72
  4. Step 4: Simplify right side
    783,002.74x = 294,322,510,041.64
  5. Step 5: Solve for x
    x = 294,322,510,041.64/783,002.74
  6. Step 6: Final answer
    x = 375,889.50

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.