Home / 708,231.10-977,358.95-385,941.10

Finding the Fourth Proportional to 708,231.10, 977,358.95 and 385,941.10

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Solution

The fourth proportional to 708,231.10, 977,358.95 and 385,941.10 is: 532,598.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,231.10 : 977,358.95 = 385,941.10 : x
  2. Step 2: Convert to fraction form
    708,231.10/977,358.95 = 385,941.10/x
  3. Step 3: Cross multiply
    708,231.10x = 977,358.95 × 385,941.10
  4. Step 4: Simplify right side
    708,231.10x = 377,202,988,257.85
  5. Step 5: Solve for x
    x = 377,202,988,257.85/708,231.10
  6. Step 6: Final answer
    x = 532,598.74

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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.