Home / 1,435,508.81-2,153,578.51-424,551.95

Finding the Fourth Proportional to 1,435,508.81, 2,153,578.51 and 424,551.95

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Solution

The fourth proportional to 1,435,508.81, 2,153,578.51 and 424,551.95 is: 636,921.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,508.81 : 2,153,578.51 = 424,551.95 : x
  2. Step 2: Convert to fraction form
    1,435,508.81/2,153,578.51 = 424,551.95/x
  3. Step 3: Cross multiply
    1,435,508.81x = 2,153,578.51 × 424,551.95
  4. Step 4: Simplify right side
    1,435,508.81x = 914,305,943,007.94
  5. Step 5: Solve for x
    x = 914,305,943,007.94/1,435,508.81
  6. Step 6: Final answer
    x = 636,921.16

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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.