Home / 708,290.24-977,412.02-385,993.46

Finding the Fourth Proportional to 708,290.24, 977,412.02 and 385,993.46

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Solution

The fourth proportional to 708,290.24, 977,412.02 and 385,993.46 is: 532,655.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,290.24 : 977,412.02 = 385,993.46 : x
  2. Step 2: Convert to fraction form
    708,290.24/977,412.02 = 385,993.46/x
  3. Step 3: Cross multiply
    708,290.24x = 977,412.02 × 385,993.46
  4. Step 4: Simplify right side
    708,290.24x = 377,274,647,445.39
  5. Step 5: Solve for x
    x = 377,274,647,445.39/708,290.24
  6. Step 6: Final answer
    x = 532,655.44

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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.