Home / 815,996.52-1,126,052.81-453,411.07

Finding the Fourth Proportional to 815,996.52, 1,126,052.81 and 453,411.07

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Solution

The fourth proportional to 815,996.52, 1,126,052.81 and 453,411.07 is: 625,694.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,996.52 : 1,126,052.81 = 453,411.07 : x
  2. Step 2: Convert to fraction form
    815,996.52/1,126,052.81 = 453,411.07/x
  3. Step 3: Cross multiply
    815,996.52x = 1,126,052.81 × 453,411.07
  4. Step 4: Simplify right side
    815,996.52x = 510,564,803,828.34
  5. Step 5: Solve for x
    x = 510,564,803,828.34/815,996.52
  6. Step 6: Final answer
    x = 625,694.83

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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.