Home / 700,097.20-1,048,302.60-512,090.80

Finding the Fourth Proportional to 700,097.20, 1,048,302.60 and 512,090.80

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Solution

The fourth proportional to 700,097.20, 1,048,302.60 and 512,090.80 is: 766,787.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,097.20 : 1,048,302.60 = 512,090.80 : x
  2. Step 2: Convert to fraction form
    700,097.20/1,048,302.60 = 512,090.80/x
  3. Step 3: Cross multiply
    700,097.20x = 1,048,302.60 × 512,090.80
  4. Step 4: Simplify right side
    700,097.20x = 536,826,117,076.08
  5. Step 5: Solve for x
    x = 536,826,117,076.08/700,097.20
  6. Step 6: Final answer
    x = 766,787.98

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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.