Home / 753,178.01-1,039,393.76-413,646.26

Finding the Fourth Proportional to 753,178.01, 1,039,393.76 and 413,646.26

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Solution

The fourth proportional to 753,178.01, 1,039,393.76 and 413,646.26 is: 570,836.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,178.01 : 1,039,393.76 = 413,646.26 : x
  2. Step 2: Convert to fraction form
    753,178.01/1,039,393.76 = 413,646.26/x
  3. Step 3: Cross multiply
    753,178.01x = 1,039,393.76 × 413,646.26
  4. Step 4: Simplify right side
    753,178.01x = 429,941,334,226.14
  5. Step 5: Solve for x
    x = 429,941,334,226.14/753,178.01
  6. Step 6: Final answer
    x = 570,836.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.