Home / 700,090.20-1,048,292.10-512,083.80

Finding the Fourth Proportional to 700,090.20, 1,048,292.10 and 512,083.80

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Solution

The fourth proportional to 700,090.20, 1,048,292.10 and 512,083.80 is: 766,777.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,090.20 : 1,048,292.10 = 512,083.80 : x
  2. Step 2: Convert to fraction form
    700,090.20/1,048,292.10 = 512,083.80/x
  3. Step 3: Cross multiply
    700,090.20x = 1,048,292.10 × 512,083.80
  4. Step 4: Simplify right side
    700,090.20x = 536,813,402,077.98
  5. Step 5: Solve for x
    x = 536,813,402,077.98/700,090.20
  6. Step 6: Final answer
    x = 766,777.48

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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.