Home / 1,256,488.89-1,883,612.70-457,211.67

Finding the Fourth Proportional to 1,256,488.89, 1,883,612.70 and 457,211.67

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Solution

The fourth proportional to 1,256,488.89, 1,883,612.70 and 457,211.67 is: 685,409.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,488.89 : 1,883,612.70 = 457,211.67 : x
  2. Step 2: Convert to fraction form
    1,256,488.89/1,883,612.70 = 457,211.67/x
  3. Step 3: Cross multiply
    1,256,488.89x = 1,883,612.70 × 457,211.67
  4. Step 4: Simplify right side
    1,256,488.89x = 861,209,708,200.21
  5. Step 5: Solve for x
    x = 861,209,708,200.21/1,256,488.89
  6. Step 6: Final answer
    x = 685,409.73

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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.