Home / 1,277,916.16-1,916,154.96-424,530.96

Finding the Fourth Proportional to 1,277,916.16, 1,916,154.96 and 424,530.96

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Solution

The fourth proportional to 1,277,916.16, 1,916,154.96 and 424,530.96 is: 636,557.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,916.16 : 1,916,154.96 = 424,530.96 : x
  2. Step 2: Convert to fraction form
    1,277,916.16/1,916,154.96 = 424,530.96/x
  3. Step 3: Cross multiply
    1,277,916.16x = 1,916,154.96 × 424,530.96
  4. Step 4: Simplify right side
    1,277,916.16x = 813,467,104,677.56
  5. Step 5: Solve for x
    x = 813,467,104,677.56/1,277,916.16
  6. Step 6: Final answer
    x = 636,557.49

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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.