Home / 1,768,116.70-2,652,175.05-438,420.70

Finding the Fourth Proportional to 1,768,116.70, 2,652,175.05 and 438,420.70

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Solution

The fourth proportional to 1,768,116.70, 2,652,175.05 and 438,420.70 is: 657,631.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768,116.70 : 2,652,175.05 = 438,420.70 : x
  2. Step 2: Convert to fraction form
    1,768,116.70/2,652,175.05 = 438,420.70/x
  3. Step 3: Cross multiply
    1,768,116.70x = 2,652,175.05 × 438,420.70
  4. Step 4: Simplify right side
    1,768,116.70x = 1,162,768,441,943.53
  5. Step 5: Solve for x
    x = 1,162,768,441,943.53/1,768,116.70
  6. Step 6: Final answer
    x = 657,631.05

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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.