Home / 765,270.40-1,147,924.50-365,953.36

Finding the Fourth Proportional to 765,270.40, 1,147,924.50 and 365,953.36

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Solution

The fourth proportional to 765,270.40, 1,147,924.50 and 365,953.36 is: 548,939.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,270.40 : 1,147,924.50 = 365,953.36 : x
  2. Step 2: Convert to fraction form
    765,270.40/1,147,924.50 = 365,953.36/x
  3. Step 3: Cross multiply
    765,270.40x = 1,147,924.50 × 365,953.36
  4. Step 4: Simplify right side
    765,270.40x = 420,086,827,801.32
  5. Step 5: Solve for x
    x = 420,086,827,801.32/765,270.40
  6. Step 6: Final answer
    x = 548,939.08

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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.