Home / 1,038,108.02-1,431,694.05-675,399.38

Finding the Fourth Proportional to 1,038,108.02, 1,431,694.05 and 675,399.38

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Solution

The fourth proportional to 1,038,108.02, 1,431,694.05 and 675,399.38 is: 931,468.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,108.02 : 1,431,694.05 = 675,399.38 : x
  2. Step 2: Convert to fraction form
    1,038,108.02/1,431,694.05 = 675,399.38/x
  3. Step 3: Cross multiply
    1,038,108.02x = 1,431,694.05 × 675,399.38
  4. Step 4: Simplify right side
    1,038,108.02x = 966,965,273,719.69
  5. Step 5: Solve for x
    x = 966,965,273,719.69/1,038,108.02
  6. Step 6: Final answer
    x = 931,468.84

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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.