Home / 757,607.68-1,045,520.63-413,465.74

Finding the Fourth Proportional to 757,607.68, 1,045,520.63 and 413,465.74

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Solution

The fourth proportional to 757,607.68, 1,045,520.63 and 413,465.74 is: 570,594.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,607.68 : 1,045,520.63 = 413,465.74 : x
  2. Step 2: Convert to fraction form
    757,607.68/1,045,520.63 = 413,465.74/x
  3. Step 3: Cross multiply
    757,607.68x = 1,045,520.63 × 413,465.74
  4. Step 4: Simplify right side
    757,607.68x = 432,286,960,778.11
  5. Step 5: Solve for x
    x = 432,286,960,778.11/757,607.68
  6. Step 6: Final answer
    x = 570,594.74

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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.