Home / 955,115.92-1,318,063.08-525,428.74

Finding the Fourth Proportional to 955,115.92, 1,318,063.08 and 525,428.74

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Solution

The fourth proportional to 955,115.92, 1,318,063.08 and 525,428.74 is: 725,093.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,115.92 : 1,318,063.08 = 525,428.74 : x
  2. Step 2: Convert to fraction form
    955,115.92/1,318,063.08 = 525,428.74/x
  3. Step 3: Cross multiply
    955,115.92x = 1,318,063.08 × 525,428.74
  4. Step 4: Simplify right side
    955,115.92x = 692,548,223,364.92
  5. Step 5: Solve for x
    x = 692,548,223,364.92/955,115.92
  6. Step 6: Final answer
    x = 725,093.37

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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.