Home / 1,255,820.34-1,883,795.85-414,437.70

Finding the Fourth Proportional to 1,255,820.34, 1,883,795.85 and 414,437.70

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Solution

The fourth proportional to 1,255,820.34, 1,883,795.85 and 414,437.70 is: 621,678.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,820.34 : 1,883,795.85 = 414,437.70 : x
  2. Step 2: Convert to fraction form
    1,255,820.34/1,883,795.85 = 414,437.70/x
  3. Step 3: Cross multiply
    1,255,820.34x = 1,883,795.85 × 414,437.70
  4. Step 4: Simplify right side
    1,255,820.34x = 780,716,019,343.55
  5. Step 5: Solve for x
    x = 780,716,019,343.55/1,255,820.34
  6. Step 6: Final answer
    x = 621,678.11

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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.