Home / 756,520.60-1,134,780.90-441,333.40

Finding the Fourth Proportional to 756,520.60, 1,134,780.90 and 441,333.40

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Solution

The fourth proportional to 756,520.60, 1,134,780.90 and 441,333.40 is: 662,000.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,520.60 : 1,134,780.90 = 441,333.40 : x
  2. Step 2: Convert to fraction form
    756,520.60/1,134,780.90 = 441,333.40/x
  3. Step 3: Cross multiply
    756,520.60x = 1,134,780.90 × 441,333.40
  4. Step 4: Simplify right side
    756,520.60x = 500,816,712,852.06
  5. Step 5: Solve for x
    x = 500,816,712,852.06/756,520.60
  6. Step 6: Final answer
    x = 662,000.10

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1.5x scale

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.