Home / 677,888.11-935,485.23-371,966.50

Finding the Fourth Proportional to 677,888.11, 935,485.23 and 371,966.50

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Solution

The fourth proportional to 677,888.11, 935,485.23 and 371,966.50 is: 513,313.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,888.11 : 935,485.23 = 371,966.50 : x
  2. Step 2: Convert to fraction form
    677,888.11/935,485.23 = 371,966.50/x
  3. Step 3: Cross multiply
    677,888.11x = 935,485.23 × 371,966.50
  4. Step 4: Simplify right side
    677,888.11x = 347,969,166,804.80
  5. Step 5: Solve for x
    x = 347,969,166,804.80/677,888.11
  6. Step 6: Final answer
    x = 513,313.57

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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.