Home / 526,380.60-787,266.90-470,623.80

Finding the Fourth Proportional to 526,380.60, 787,266.90 and 470,623.80

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Solution

The fourth proportional to 526,380.60, 787,266.90 and 470,623.80 is: 703,875.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,380.60 : 787,266.90 = 470,623.80 : x
  2. Step 2: Convert to fraction form
    526,380.60/787,266.90 = 470,623.80/x
  3. Step 3: Cross multiply
    526,380.60x = 787,266.90 × 470,623.80
  4. Step 4: Simplify right side
    526,380.60x = 370,506,540,092.22
  5. Step 5: Solve for x
    x = 370,506,540,092.22/526,380.60
  6. Step 6: Final answer
    x = 703,875.75

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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.