Home / 459,284.48-633,919.20-289,750.40

Finding the Fourth Proportional to 459,284.48, 633,919.20 and 289,750.40

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Solution

The fourth proportional to 459,284.48, 633,919.20 and 289,750.40 is: 399,922.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,284.48 : 633,919.20 = 289,750.40 : x
  2. Step 2: Convert to fraction form
    459,284.48/633,919.20 = 289,750.40/x
  3. Step 3: Cross multiply
    459,284.48x = 633,919.20 × 289,750.40
  4. Step 4: Simplify right side
    459,284.48x = 183,678,341,767.68
  5. Step 5: Solve for x
    x = 183,678,341,767.68/459,284.48
  6. Step 6: Final answer
    x = 399,922.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.