Home / 1,115,953.20-1,539,939.60-606,644.64

Finding the Fourth Proportional to 1,115,953.20, 1,539,939.60 and 606,644.64

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Solution

The fourth proportional to 1,115,953.20, 1,539,939.60 and 606,644.64 is: 837,128.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,953.20 : 1,539,939.60 = 606,644.64 : x
  2. Step 2: Convert to fraction form
    1,115,953.20/1,539,939.60 = 606,644.64/x
  3. Step 3: Cross multiply
    1,115,953.20x = 1,539,939.60 × 606,644.64
  4. Step 4: Simplify right side
    1,115,953.20x = 934,196,104,263.74
  5. Step 5: Solve for x
    x = 934,196,104,263.74/1,115,953.20
  6. Step 6: Final answer
    x = 837,128.39

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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.