Home / 620,432.20-931,523.10-384,236.20

Finding the Fourth Proportional to 620,432.20, 931,523.10 and 384,236.20

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Solution

The fourth proportional to 620,432.20, 931,523.10 and 384,236.20 is: 576,896.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,432.20 : 931,523.10 = 384,236.20 : x
  2. Step 2: Convert to fraction form
    620,432.20/931,523.10 = 384,236.20/x
  3. Step 3: Cross multiply
    620,432.20x = 931,523.10 × 384,236.20
  4. Step 4: Simplify right side
    620,432.20x = 357,924,896,156.22
  5. Step 5: Solve for x
    x = 357,924,896,156.22/620,432.20
  6. Step 6: Final answer
    x = 576,896.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.