Home / 725,160.52-1,087,628.46-370,436.68

Finding the Fourth Proportional to 725,160.52, 1,087,628.46 and 370,436.68

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Solution

The fourth proportional to 725,160.52, 1,087,628.46 and 370,436.68 is: 555,597.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,160.52 : 1,087,628.46 = 370,436.68 : x
  2. Step 2: Convert to fraction form
    725,160.52/1,087,628.46 = 370,436.68/x
  3. Step 3: Cross multiply
    725,160.52x = 1,087,628.46 × 370,436.68
  4. Step 4: Simplify right side
    725,160.52x = 402,897,475,795.91
  5. Step 5: Solve for x
    x = 402,897,475,795.91/725,160.52
  6. Step 6: Final answer
    x = 555,597.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.