Home / 942,726.49-1,300,989.70-513,033.84

Finding the Fourth Proportional to 942,726.49, 1,300,989.70 and 513,033.84

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Solution

The fourth proportional to 942,726.49, 1,300,989.70 and 513,033.84 is: 708,001.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,726.49 : 1,300,989.70 = 513,033.84 : x
  2. Step 2: Convert to fraction form
    942,726.49/1,300,989.70 = 513,033.84/x
  3. Step 3: Cross multiply
    942,726.49x = 1,300,989.70 × 513,033.84
  4. Step 4: Simplify right side
    942,726.49x = 667,451,740,308.86
  5. Step 5: Solve for x
    x = 667,451,740,308.86/942,726.49
  6. Step 6: Final answer
    x = 708,001.47

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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.