Home / 886,913.10-1,330,369.65-818,484.30

Finding the Fourth Proportional to 886,913.10, 1,330,369.65 and 818,484.30

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Solution

The fourth proportional to 886,913.10, 1,330,369.65 and 818,484.30 is: 1,227,726.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,913.10 : 1,330,369.65 = 818,484.30 : x
  2. Step 2: Convert to fraction form
    886,913.10/1,330,369.65 = 818,484.30/x
  3. Step 3: Cross multiply
    886,913.10x = 1,330,369.65 × 818,484.30
  4. Step 4: Simplify right side
    886,913.10x = 1,088,886,671,721.50
  5. Step 5: Solve for x
    x = 1,088,886,671,721.50/886,913.10
  6. Step 6: Final answer
    x = 1,227,726.45

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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.