Home / 1,728,331.20-2,592,496.80-530,438.40

Finding the Fourth Proportional to 1,728,331.20, 2,592,496.80 and 530,438.40

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Solution

The fourth proportional to 1,728,331.20, 2,592,496.80 and 530,438.40 is: 795,657.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,331.20 : 2,592,496.80 = 530,438.40 : x
  2. Step 2: Convert to fraction form
    1,728,331.20/2,592,496.80 = 530,438.40/x
  3. Step 3: Cross multiply
    1,728,331.20x = 2,592,496.80 × 530,438.40
  4. Step 4: Simplify right side
    1,728,331.20x = 1,375,159,854,597.12
  5. Step 5: Solve for x
    x = 1,375,159,854,597.12/1,728,331.20
  6. Step 6: Final answer
    x = 795,657.60

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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.