Home / 1,288,916.67-1,934,262.54-447,468.42

Finding the Fourth Proportional to 1,288,916.67, 1,934,262.54 and 447,468.42

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Solution

The fourth proportional to 1,288,916.67, 1,934,262.54 and 447,468.42 is: 671,510.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,916.67 : 1,934,262.54 = 447,468.42 : x
  2. Step 2: Convert to fraction form
    1,288,916.67/1,934,262.54 = 447,468.42/x
  3. Step 3: Cross multiply
    1,288,916.67x = 1,934,262.54 × 447,468.42
  4. Step 4: Simplify right side
    1,288,916.67x = 865,521,402,638.99
  5. Step 5: Solve for x
    x = 865,521,402,638.99/1,288,916.67
  6. Step 6: Final answer
    x = 671,510.75

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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.