Home / 756,411.40-1,133,086.20-471,226.60

Finding the Fourth Proportional to 756,411.40, 1,133,086.20 and 471,226.60

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Solution

The fourth proportional to 756,411.40, 1,133,086.20 and 471,226.60 is: 705,886.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,411.40 : 1,133,086.20 = 471,226.60 : x
  2. Step 2: Convert to fraction form
    756,411.40/1,133,086.20 = 471,226.60/x
  3. Step 3: Cross multiply
    756,411.40x = 1,133,086.20 × 471,226.60
  4. Step 4: Simplify right side
    756,411.40x = 533,940,357,532.92
  5. Step 5: Solve for x
    x = 533,940,357,532.92/756,411.40
  6. Step 6: Final answer
    x = 705,886.19

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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.