Home / 896,234.88-1,344,551.64-390,877.56

Finding the Fourth Proportional to 896,234.88, 1,344,551.64 and 390,877.56

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Solution

The fourth proportional to 896,234.88, 1,344,551.64 and 390,877.56 is: 586,403.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,234.88 : 1,344,551.64 = 390,877.56 : x
  2. Step 2: Convert to fraction form
    896,234.88/1,344,551.64 = 390,877.56/x
  3. Step 3: Cross multiply
    896,234.88x = 1,344,551.64 × 390,877.56
  4. Step 4: Simplify right side
    896,234.88x = 525,555,064,337.20
  5. Step 5: Solve for x
    x = 525,555,064,337.20/896,234.88
  6. Step 6: Final answer
    x = 586,403.27

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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.