Home / 459,042.12-688,544.28-159,590.52

Finding the Fourth Proportional to 459,042.12, 688,544.28 and 159,590.52

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Solution

The fourth proportional to 459,042.12, 688,544.28 and 159,590.52 is: 239,379.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,042.12 : 688,544.28 = 159,590.52 : x
  2. Step 2: Convert to fraction form
    459,042.12/688,544.28 = 159,590.52/x
  3. Step 3: Cross multiply
    459,042.12x = 688,544.28 × 159,590.52
  4. Step 4: Simplify right side
    459,042.12x = 109,885,139,688.23
  5. Step 5: Solve for x
    x = 109,885,139,688.23/459,042.12
  6. Step 6: Final answer
    x = 239,379.21

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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.