Home / 808,686.80-1,115,987.76-446,111.52

Finding the Fourth Proportional to 808,686.80, 1,115,987.76 and 446,111.52

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Solution

The fourth proportional to 808,686.80, 1,115,987.76 and 446,111.52 is: 615,633.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,686.80 : 1,115,987.76 = 446,111.52 : x
  2. Step 2: Convert to fraction form
    808,686.80/1,115,987.76 = 446,111.52/x
  3. Step 3: Cross multiply
    808,686.80x = 1,115,987.76 × 446,111.52
  4. Step 4: Simplify right side
    808,686.80x = 497,854,995,915.00
  5. Step 5: Solve for x
    x = 497,854,995,915.00/808,686.80
  6. Step 6: Final answer
    x = 615,633.88

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1.5x scale

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.