Home / 1,918,712.92-2,877,567.90-570,512.44

Finding the Fourth Proportional to 1,918,712.92, 2,877,567.90 and 570,512.44

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Solution

The fourth proportional to 1,918,712.92, 2,877,567.90 and 570,512.44 is: 855,619.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,712.92 : 2,877,567.90 = 570,512.44 : x
  2. Step 2: Convert to fraction form
    1,918,712.92/2,877,567.90 = 570,512.44/x
  3. Step 3: Cross multiply
    1,918,712.92x = 2,877,567.90 × 570,512.44
  4. Step 4: Simplify right side
    1,918,712.92x = 1,641,688,283,894.68
  5. Step 5: Solve for x
    x = 1,641,688,283,894.68/1,918,712.92
  6. Step 6: Final answer
    x = 855,619.55

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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.