Home / 975,381.27-1,345,995.75-539,772.41

Finding the Fourth Proportional to 975,381.27, 1,345,995.75 and 539,772.41

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Solution

The fourth proportional to 975,381.27, 1,345,995.75 and 539,772.41 is: 744,869.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,381.27 : 1,345,995.75 = 539,772.41 : x
  2. Step 2: Convert to fraction form
    975,381.27/1,345,995.75 = 539,772.41/x
  3. Step 3: Cross multiply
    975,381.27x = 1,345,995.75 × 539,772.41
  4. Step 4: Simplify right side
    975,381.27x = 726,531,361,747.85
  5. Step 5: Solve for x
    x = 726,531,361,747.85/975,381.27
  6. Step 6: Final answer
    x = 744,869.10

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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.