Home / 1,290,339.74-1,934,300.59-436,814.39

Finding the Fourth Proportional to 1,290,339.74, 1,934,300.59 and 436,814.39

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Solution

The fourth proportional to 1,290,339.74, 1,934,300.59 and 436,814.39 is: 654,812.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,339.74 : 1,934,300.59 = 436,814.39 : x
  2. Step 2: Convert to fraction form
    1,290,339.74/1,934,300.59 = 436,814.39/x
  3. Step 3: Cross multiply
    1,290,339.74x = 1,934,300.59 × 436,814.39
  4. Step 4: Simplify right side
    1,290,339.74x = 844,930,336,041.21
  5. Step 5: Solve for x
    x = 844,930,336,041.21/1,290,339.74
  6. Step 6: Final answer
    x = 654,812.30

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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.