Home / 1,398,149.02-2,097,217.02-438,674.86

Finding the Fourth Proportional to 1,398,149.02, 2,097,217.02 and 438,674.86

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Solution

The fourth proportional to 1,398,149.02, 2,097,217.02 and 438,674.86 is: 658,010.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,149.02 : 2,097,217.02 = 438,674.86 : x
  2. Step 2: Convert to fraction form
    1,398,149.02/2,097,217.02 = 438,674.86/x
  3. Step 3: Cross multiply
    1,398,149.02x = 2,097,217.02 × 438,674.86
  4. Step 4: Simplify right side
    1,398,149.02x = 919,996,382,638.12
  5. Step 5: Solve for x
    x = 919,996,382,638.12/1,398,149.02
  6. Step 6: Final answer
    x = 658,010.25

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Double scale
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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.