Home / 459,828.95-689,772.58-144,298.31

Finding the Fourth Proportional to 459,828.95, 689,772.58 and 144,298.31

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Solution

The fourth proportional to 459,828.95, 689,772.58 and 144,298.31 is: 216,456.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,828.95 : 689,772.58 = 144,298.31 : x
  2. Step 2: Convert to fraction form
    459,828.95/689,772.58 = 144,298.31/x
  3. Step 3: Cross multiply
    459,828.95x = 689,772.58 × 144,298.31
  4. Step 4: Simplify right side
    459,828.95x = 99,533,013,768.73
  5. Step 5: Solve for x
    x = 99,533,013,768.73/459,828.95
  6. Step 6: Final answer
    x = 216,456.61

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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.