Home / 677,147.41-934,457.45-371,218.23

Finding the Fourth Proportional to 677,147.41, 934,457.45 and 371,218.23

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Solution

The fourth proportional to 677,147.41, 934,457.45 and 371,218.23 is: 512,277.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,147.41 : 934,457.45 = 371,218.23 : x
  2. Step 2: Convert to fraction form
    677,147.41/934,457.45 = 371,218.23/x
  3. Step 3: Cross multiply
    677,147.41x = 934,457.45 × 371,218.23
  4. Step 4: Simplify right side
    677,147.41x = 346,887,635,927.03
  5. Step 5: Solve for x
    x = 346,887,635,927.03/677,147.41
  6. Step 6: Final answer
    x = 512,277.88

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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.