Home / 917,793.60-1,376,690.40-581,214.30

Finding the Fourth Proportional to 917,793.60, 1,376,690.40 and 581,214.30

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Solution

The fourth proportional to 917,793.60, 1,376,690.40 and 581,214.30 is: 871,821.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,793.60 : 1,376,690.40 = 581,214.30 : x
  2. Step 2: Convert to fraction form
    917,793.60/1,376,690.40 = 581,214.30/x
  3. Step 3: Cross multiply
    917,793.60x = 1,376,690.40 × 581,214.30
  4. Step 4: Simplify right side
    917,793.60x = 800,152,147,152.72
  5. Step 5: Solve for x
    x = 800,152,147,152.72/917,793.60
  6. Step 6: Final answer
    x = 871,821.45

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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.