Home / 677,563.41-935,014.01-375,785.49

Finding the Fourth Proportional to 677,563.41, 935,014.01 and 375,785.49

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Solution

The fourth proportional to 677,563.41, 935,014.01 and 375,785.49 is: 518,570.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,563.41 : 935,014.01 = 375,785.49 : x
  2. Step 2: Convert to fraction form
    677,563.41/935,014.01 = 375,785.49/x
  3. Step 3: Cross multiply
    677,563.41x = 935,014.01 × 375,785.49
  4. Step 4: Simplify right side
    677,563.41x = 351,364,696,025.79
  5. Step 5: Solve for x
    x = 351,364,696,025.79/677,563.41
  6. Step 6: Final answer
    x = 518,570.94

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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.