Home / 753,150.91-1,039,372.20-413,619.16

Finding the Fourth Proportional to 753,150.91, 1,039,372.20 and 413,619.16

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Solution

The fourth proportional to 753,150.91, 1,039,372.20 and 413,619.16 is: 570,807.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,150.91 : 1,039,372.20 = 413,619.16 : x
  2. Step 2: Convert to fraction form
    753,150.91/1,039,372.20 = 413,619.16/x
  3. Step 3: Cross multiply
    753,150.91x = 1,039,372.20 × 413,619.16
  4. Step 4: Simplify right side
    753,150.91x = 429,904,249,026.40
  5. Step 5: Solve for x
    x = 429,904,249,026.40/753,150.91
  6. Step 6: Final answer
    x = 570,807.58

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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.