Home / 756,043.80-1,134,065.70-504,101.40

Finding the Fourth Proportional to 756,043.80, 1,134,065.70 and 504,101.40

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Solution

The fourth proportional to 756,043.80, 1,134,065.70 and 504,101.40 is: 756,152.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,043.80 : 1,134,065.70 = 504,101.40 : x
  2. Step 2: Convert to fraction form
    756,043.80/1,134,065.70 = 504,101.40/x
  3. Step 3: Cross multiply
    756,043.80x = 1,134,065.70 × 504,101.40
  4. Step 4: Simplify right side
    756,043.80x = 571,684,107,061.98
  5. Step 5: Solve for x
    x = 571,684,107,061.98/756,043.80
  6. Step 6: Final answer
    x = 756,152.10

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Half scale
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Double scale
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Similar ratio
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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.