Home / 938,863.49-1,295,701.21-525,441.70

Finding the Fourth Proportional to 938,863.49, 1,295,701.21 and 525,441.70

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Solution

The fourth proportional to 938,863.49, 1,295,701.21 and 525,441.70 is: 725,148.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,863.49 : 1,295,701.21 = 525,441.70 : x
  2. Step 2: Convert to fraction form
    938,863.49/1,295,701.21 = 525,441.70/x
  3. Step 3: Cross multiply
    938,863.49x = 1,295,701.21 × 525,441.70
  4. Step 4: Simplify right side
    938,863.49x = 680,815,446,474.46
  5. Step 5: Solve for x
    x = 680,815,446,474.46/938,863.49
  6. Step 6: Final answer
    x = 725,148.49

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Double scale
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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.