Home / 708,393.18-977,583.33-386,103.54

Finding the Fourth Proportional to 708,393.18, 977,583.33 and 386,103.54

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Solution

The fourth proportional to 708,393.18, 977,583.33 and 386,103.54 is: 532,823.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,393.18 : 977,583.33 = 386,103.54 : x
  2. Step 2: Convert to fraction form
    708,393.18/977,583.33 = 386,103.54/x
  3. Step 3: Cross multiply
    708,393.18x = 977,583.33 × 386,103.54
  4. Step 4: Simplify right side
    708,393.18x = 377,448,384,357.99
  5. Step 5: Solve for x
    x = 377,448,384,357.99/708,393.18
  6. Step 6: Final answer
    x = 532,823.29

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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.