Home / 1,235,863.05-1,853,794.58-438,045.45

Finding the Fourth Proportional to 1,235,863.05, 1,853,794.58 and 438,045.45

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Solution

The fourth proportional to 1,235,863.05, 1,853,794.58 and 438,045.45 is: 657,068.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,863.05 : 1,853,794.58 = 438,045.45 : x
  2. Step 2: Convert to fraction form
    1,235,863.05/1,853,794.58 = 438,045.45/x
  3. Step 3: Cross multiply
    1,235,863.05x = 1,853,794.58 × 438,045.45
  4. Step 4: Simplify right side
    1,235,863.05x = 812,046,278,813.43
  5. Step 5: Solve for x
    x = 812,046,278,813.43/1,235,863.05
  6. Step 6: Final answer
    x = 657,068.18

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Double scale
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Similar ratio
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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.