Home / 783,118.70-1,174,678.05-468,190.70

Finding the Fourth Proportional to 783,118.70, 1,174,678.05 and 468,190.70

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Solution

The fourth proportional to 783,118.70, 1,174,678.05 and 468,190.70 is: 702,286.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,118.70 : 1,174,678.05 = 468,190.70 : x
  2. Step 2: Convert to fraction form
    783,118.70/1,174,678.05 = 468,190.70/x
  3. Step 3: Cross multiply
    783,118.70x = 1,174,678.05 × 468,190.70
  4. Step 4: Simplify right side
    783,118.70x = 549,973,338,504.14
  5. Step 5: Solve for x
    x = 549,973,338,504.14/783,118.70
  6. Step 6: Final answer
    x = 702,286.05

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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.