Home / 1,512,666.50-2,087,479.77-833,603

Finding the Fourth Proportional to 1,512,666.50, 2,087,479.77 and 833,603

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Solution

The fourth proportional to 1,512,666.50, 2,087,479.77 and 833,603 is: 1,150,372.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,666.50 : 2,087,479.77 = 833,603 : x
  2. Step 2: Convert to fraction form
    1,512,666.50/2,087,479.77 = 833,603/x
  3. Step 3: Cross multiply
    1,512,666.50x = 2,087,479.77 × 833,603
  4. Step 4: Simplify right side
    1,512,666.50x = 1,740,129,398,711.31
  5. Step 5: Solve for x
    x = 1,740,129,398,711.31/1,512,666.50
  6. Step 6: Final answer
    x = 1,150,372.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.