Home / 821,665.08-1,133,894.70-459,122.04

Finding the Fourth Proportional to 821,665.08, 1,133,894.70 and 459,122.04

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Solution

The fourth proportional to 821,665.08, 1,133,894.70 and 459,122.04 is: 633,586.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,665.08 : 1,133,894.70 = 459,122.04 : x
  2. Step 2: Convert to fraction form
    821,665.08/1,133,894.70 = 459,122.04/x
  3. Step 3: Cross multiply
    821,665.08x = 1,133,894.70 × 459,122.04
  4. Step 4: Simplify right side
    821,665.08x = 520,596,047,809.19
  5. Step 5: Solve for x
    x = 520,596,047,809.19/821,665.08
  6. Step 6: Final answer
    x = 633,586.68

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1.5x scale

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.