Home / 648,826.38-895,406.01-373,183.79

Finding the Fourth Proportional to 648,826.38, 895,406.01 and 373,183.79

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Solution

The fourth proportional to 648,826.38, 895,406.01 and 373,183.79 is: 515,008.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,826.38 : 895,406.01 = 373,183.79 : x
  2. Step 2: Convert to fraction form
    648,826.38/895,406.01 = 373,183.79/x
  3. Step 3: Cross multiply
    648,826.38x = 895,406.01 × 373,183.79
  4. Step 4: Simplify right side
    648,826.38x = 334,151,011,968.67
  5. Step 5: Solve for x
    x = 334,151,011,968.67/648,826.38
  6. Step 6: Final answer
    x = 515,008.36

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Double scale
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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.