Home / 459,525.18-689,196.63-436,739.88

Finding the Fourth Proportional to 459,525.18, 689,196.63 and 436,739.88

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Solution

The fourth proportional to 459,525.18, 689,196.63 and 436,739.88 is: 655,023.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,525.18 : 689,196.63 = 436,739.88 : x
  2. Step 2: Convert to fraction form
    459,525.18/689,196.63 = 436,739.88/x
  3. Step 3: Cross multiply
    459,525.18x = 689,196.63 × 436,739.88
  4. Step 4: Simplify right side
    459,525.18x = 300,999,657,704.87
  5. Step 5: Solve for x
    x = 300,999,657,704.87/459,525.18
  6. Step 6: Final answer
    x = 655,023.20

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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.