Home / 678,197.12-935,868.48-423,533.12

Finding the Fourth Proportional to 678,197.12, 935,868.48 and 423,533.12

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Solution

The fourth proportional to 678,197.12, 935,868.48 and 423,533.12 is: 584,448.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,197.12 : 935,868.48 = 423,533.12 : x
  2. Step 2: Convert to fraction form
    678,197.12/935,868.48 = 423,533.12/x
  3. Step 3: Cross multiply
    678,197.12x = 935,868.48 × 423,533.12
  4. Step 4: Simplify right side
    678,197.12x = 396,371,297,244.06
  5. Step 5: Solve for x
    x = 396,371,297,244.06/678,197.12
  6. Step 6: Final answer
    x = 584,448.51

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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.