Home / 953,011.70-1,421,110.67-820,741.94

Finding the Fourth Proportional to 953,011.70, 1,421,110.67 and 820,741.94

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Solution

The fourth proportional to 953,011.70, 1,421,110.67 and 820,741.94 is: 1,223,872.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,011.70 : 1,421,110.67 = 820,741.94 : x
  2. Step 2: Convert to fraction form
    953,011.70/1,421,110.67 = 820,741.94/x
  3. Step 3: Cross multiply
    953,011.70x = 1,421,110.67 × 820,741.94
  4. Step 4: Simplify right side
    953,011.70x = 1,166,365,123,196.80
  5. Step 5: Solve for x
    x = 1,166,365,123,196.80/953,011.70
  6. Step 6: Final answer
    x = 1,223,872.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.