Home / 810,176.70-1,213,515.45-705,200.70

Finding the Fourth Proportional to 810,176.70, 1,213,515.45 and 705,200.70

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Solution

The fourth proportional to 810,176.70, 1,213,515.45 and 705,200.70 is: 1,056,278.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,176.70 : 1,213,515.45 = 705,200.70 : x
  2. Step 2: Convert to fraction form
    810,176.70/1,213,515.45 = 705,200.70/x
  3. Step 3: Cross multiply
    810,176.70x = 1,213,515.45 × 705,200.70
  4. Step 4: Simplify right side
    810,176.70x = 855,771,944,800.82
  5. Step 5: Solve for x
    x = 855,771,944,800.82/810,176.70
  6. Step 6: Final answer
    x = 1,056,278.15

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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.