Home / 1,768,123.10-2,652,184.65-438,427.10

Finding the Fourth Proportional to 1,768,123.10, 2,652,184.65 and 438,427.10

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Solution

The fourth proportional to 1,768,123.10, 2,652,184.65 and 438,427.10 is: 657,640.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768,123.10 : 2,652,184.65 = 438,427.10 : x
  2. Step 2: Convert to fraction form
    1,768,123.10/2,652,184.65 = 438,427.10/x
  3. Step 3: Cross multiply
    1,768,123.10x = 2,652,184.65 × 438,427.10
  4. Step 4: Simplify right side
    1,768,123.10x = 1,162,789,624,764.01
  5. Step 5: Solve for x
    x = 1,162,789,624,764.01/1,768,123.10
  6. Step 6: Final answer
    x = 657,640.65

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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.