Home / 916,516.60-1,374,774.90-902,519.80

Finding the Fourth Proportional to 916,516.60, 1,374,774.90 and 902,519.80

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Solution

The fourth proportional to 916,516.60, 1,374,774.90 and 902,519.80 is: 1,353,779.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,516.60 : 1,374,774.90 = 902,519.80 : x
  2. Step 2: Convert to fraction form
    916,516.60/1,374,774.90 = 902,519.80/x
  3. Step 3: Cross multiply
    916,516.60x = 1,374,774.90 × 902,519.80
  4. Step 4: Simplify right side
    916,516.60x = 1,240,761,567,793.02
  5. Step 5: Solve for x
    x = 1,240,761,567,793.02/916,516.60
  6. Step 6: Final answer
    x = 1,353,779.70

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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.