Home / 740,689.92-1,022,148.91-414,002.47

Finding the Fourth Proportional to 740,689.92, 1,022,148.91 and 414,002.47

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Solution

The fourth proportional to 740,689.92, 1,022,148.91 and 414,002.47 is: 571,321.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,689.92 : 1,022,148.91 = 414,002.47 : x
  2. Step 2: Convert to fraction form
    740,689.92/1,022,148.91 = 414,002.47/x
  3. Step 3: Cross multiply
    740,689.92x = 1,022,148.91 × 414,002.47
  4. Step 4: Simplify right side
    740,689.92x = 423,172,173,447.81
  5. Step 5: Solve for x
    x = 423,172,173,447.81/740,689.92
  6. Step 6: Final answer
    x = 571,321.63

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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.