Home / 739,187.10-1,020,076.83-416,896.20

Finding the Fourth Proportional to 739,187.10, 1,020,076.83 and 416,896.20

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Solution

The fourth proportional to 739,187.10, 1,020,076.83 and 416,896.20 is: 575,315.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,187.10 : 1,020,076.83 = 416,896.20 : x
  2. Step 2: Convert to fraction form
    739,187.10/1,020,076.83 = 416,896.20/x
  3. Step 3: Cross multiply
    739,187.10x = 1,020,076.83 × 416,896.20
  4. Step 4: Simplify right side
    739,187.10x = 425,266,154,135.05
  5. Step 5: Solve for x
    x = 425,266,154,135.05/739,187.10
  6. Step 6: Final answer
    x = 575,315.98

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.