Home / 1,535,434.79-2,118,885.38-847,112.18

Finding the Fourth Proportional to 1,535,434.79, 2,118,885.38 and 847,112.18

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Solution

The fourth proportional to 1,535,434.79, 2,118,885.38 and 847,112.18 is: 1,169,006.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,434.79 : 2,118,885.38 = 847,112.18 : x
  2. Step 2: Convert to fraction form
    1,535,434.79/2,118,885.38 = 847,112.18/x
  3. Step 3: Cross multiply
    1,535,434.79x = 2,118,885.38 × 847,112.18
  4. Step 4: Simplify right side
    1,535,434.79x = 1,794,933,601,768.61
  5. Step 5: Solve for x
    x = 1,794,933,601,768.61/1,535,434.79
  6. Step 6: Final answer
    x = 1,169,006.73

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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.