Home / 838,779.12-1,256,924.44-616,074.48

Finding the Fourth Proportional to 838,779.12, 1,256,924.44 and 616,074.48

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Solution

The fourth proportional to 838,779.12, 1,256,924.44 and 616,074.48 is: 923,197.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,779.12 : 1,256,924.44 = 616,074.48 : x
  2. Step 2: Convert to fraction form
    838,779.12/1,256,924.44 = 616,074.48/x
  3. Step 3: Cross multiply
    838,779.12x = 1,256,924.44 × 616,074.48
  4. Step 4: Simplify right side
    838,779.12x = 774,359,070,772.29
  5. Step 5: Solve for x
    x = 774,359,070,772.29/838,779.12
  6. Step 6: Final answer
    x = 923,197.84

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1.5x scale

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.