Home / 1,969,123.80-2,953,685.70-473,215.80

Finding the Fourth Proportional to 1,969,123.80, 2,953,685.70 and 473,215.80

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Solution

The fourth proportional to 1,969,123.80, 2,953,685.70 and 473,215.80 is: 709,823.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,123.80 : 2,953,685.70 = 473,215.80 : x
  2. Step 2: Convert to fraction form
    1,969,123.80/2,953,685.70 = 473,215.80/x
  3. Step 3: Cross multiply
    1,969,123.80x = 2,953,685.70 × 473,215.80
  4. Step 4: Simplify right side
    1,969,123.80x = 1,397,730,741,474.06
  5. Step 5: Solve for x
    x = 1,397,730,741,474.06/1,969,123.80
  6. Step 6: Final answer
    x = 709,823.70

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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.