Home / 1,918,300.92-2,877,124.24-638,763.16

Finding the Fourth Proportional to 1,918,300.92, 2,877,124.24 and 638,763.16

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Solution

The fourth proportional to 1,918,300.92, 2,877,124.24 and 638,763.16 is: 958,035.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,300.92 : 2,877,124.24 = 638,763.16 : x
  2. Step 2: Convert to fraction form
    1,918,300.92/2,877,124.24 = 638,763.16/x
  3. Step 3: Cross multiply
    1,918,300.92x = 2,877,124.24 × 638,763.16
  4. Step 4: Simplify right side
    1,918,300.92x = 1,837,800,971,255.00
  5. Step 5: Solve for x
    x = 1,837,800,971,255.00/1,918,300.92
  6. Step 6: Final answer
    x = 958,035.81

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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.