Home / 677,557.26-935,030.34-371,636.12

Finding the Fourth Proportional to 677,557.26, 935,030.34 and 371,636.12

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Solution

The fourth proportional to 677,557.26, 935,030.34 and 371,636.12 is: 512,858.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,557.26 : 935,030.34 = 371,636.12 : x
  2. Step 2: Convert to fraction form
    677,557.26/935,030.34 = 371,636.12/x
  3. Step 3: Cross multiply
    677,557.26x = 935,030.34 × 371,636.12
  4. Step 4: Simplify right side
    677,557.26x = 347,491,047,639.88
  5. Step 5: Solve for x
    x = 347,491,047,639.88/677,557.26
  6. Step 6: Final answer
    x = 512,858.57

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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.