Home / 714,296.17-985,740.74-392,036.25

Finding the Fourth Proportional to 714,296.17, 985,740.74 and 392,036.25

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Solution

The fourth proportional to 714,296.17, 985,740.74 and 392,036.25 is: 541,016.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,296.17 : 985,740.74 = 392,036.25 : x
  2. Step 2: Convert to fraction form
    714,296.17/985,740.74 = 392,036.25/x
  3. Step 3: Cross multiply
    714,296.17x = 985,740.74 × 392,036.25
  4. Step 4: Simplify right side
    714,296.17x = 386,446,106,388.31
  5. Step 5: Solve for x
    x = 386,446,106,388.31/714,296.17
  6. Step 6: Final answer
    x = 541,016.63

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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.