Home / 459,024.30-688,536.45-425,846.70

Finding the Fourth Proportional to 459,024.30, 688,536.45 and 425,846.70

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Solution

The fourth proportional to 459,024.30, 688,536.45 and 425,846.70 is: 638,770.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,024.30 : 688,536.45 = 425,846.70 : x
  2. Step 2: Convert to fraction form
    459,024.30/688,536.45 = 425,846.70/x
  3. Step 3: Cross multiply
    459,024.30x = 688,536.45 × 425,846.70
  4. Step 4: Simplify right side
    459,024.30x = 293,210,975,062.22
  5. Step 5: Solve for x
    x = 293,210,975,062.22/459,024.30
  6. Step 6: Final answer
    x = 638,770.05

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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.