Home / 707,986.28-977,017.23-385,695.60

Finding the Fourth Proportional to 707,986.28, 977,017.23 and 385,695.60

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Solution

The fourth proportional to 707,986.28, 977,017.23 and 385,695.60 is: 532,257.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,986.28 : 977,017.23 = 385,695.60 : x
  2. Step 2: Convert to fraction form
    707,986.28/977,017.23 = 385,695.60/x
  3. Step 3: Cross multiply
    707,986.28x = 977,017.23 × 385,695.60
  4. Step 4: Simplify right side
    707,986.28x = 376,831,246,735.19
  5. Step 5: Solve for x
    x = 376,831,246,735.19/707,986.28
  6. Step 6: Final answer
    x = 532,257.84

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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.