Home / 459,289.61-633,783.76-255,328.12

Finding the Fourth Proportional to 459,289.61, 633,783.76 and 255,328.12

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Solution

The fourth proportional to 459,289.61, 633,783.76 and 255,328.12 is: 352,332.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,289.61 : 633,783.76 = 255,328.12 : x
  2. Step 2: Convert to fraction form
    459,289.61/633,783.76 = 255,328.12/x
  3. Step 3: Cross multiply
    459,289.61x = 633,783.76 × 255,328.12
  4. Step 4: Simplify right side
    459,289.61x = 161,822,813,952.43
  5. Step 5: Solve for x
    x = 161,822,813,952.43/459,289.61
  6. Step 6: Final answer
    x = 352,332.84

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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.