Home / 526,899.60-788,016.60-442,918.80

Finding the Fourth Proportional to 526,899.60, 788,016.60 and 442,918.80

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Solution

The fourth proportional to 526,899.60, 788,016.60 and 442,918.80 is: 662,417.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,899.60 : 788,016.60 = 442,918.80 : x
  2. Step 2: Convert to fraction form
    526,899.60/788,016.60 = 442,918.80/x
  3. Step 3: Cross multiply
    526,899.60x = 788,016.60 × 442,918.80
  4. Step 4: Simplify right side
    526,899.60x = 349,027,366,852.08
  5. Step 5: Solve for x
    x = 349,027,366,852.08/526,899.60
  6. Step 6: Final answer
    x = 662,417.22

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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.