Home / 962,639.16-1,328,581.05-554,662.86

Finding the Fourth Proportional to 962,639.16, 1,328,581.05 and 554,662.86

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Solution

The fourth proportional to 962,639.16, 1,328,581.05 and 554,662.86 is: 765,514.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,639.16 : 1,328,581.05 = 554,662.86 : x
  2. Step 2: Convert to fraction form
    962,639.16/1,328,581.05 = 554,662.86/x
  3. Step 3: Cross multiply
    962,639.16x = 1,328,581.05 × 554,662.86
  4. Step 4: Simplify right side
    962,639.16x = 736,914,564,934.80
  5. Step 5: Solve for x
    x = 736,914,564,934.80/962,639.16
  6. Step 6: Final answer
    x = 765,514.84

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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.