Home / 1,435,415.38-2,153,544.14-424,564

Finding the Fourth Proportional to 1,435,415.38, 2,153,544.14 and 424,564

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Solution

The fourth proportional to 1,435,415.38, 2,153,544.14 and 424,564 is: 636,970.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,415.38 : 2,153,544.14 = 424,564 : x
  2. Step 2: Convert to fraction form
    1,435,415.38/2,153,544.14 = 424,564/x
  3. Step 3: Cross multiply
    1,435,415.38x = 2,153,544.14 × 424,564
  4. Step 4: Simplify right side
    1,435,415.38x = 914,317,314,254.96
  5. Step 5: Solve for x
    x = 914,317,314,254.96/1,435,415.38
  6. Step 6: Final answer
    x = 636,970.54

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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.