Home / 917,792.10-1,376,688.15-581,212.80

Finding the Fourth Proportional to 917,792.10, 1,376,688.15 and 581,212.80

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Solution

The fourth proportional to 917,792.10, 1,376,688.15 and 581,212.80 is: 871,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,792.10 : 1,376,688.15 = 581,212.80 : x
  2. Step 2: Convert to fraction form
    917,792.10/1,376,688.15 = 581,212.80/x
  3. Step 3: Cross multiply
    917,792.10x = 1,376,688.15 × 581,212.80
  4. Step 4: Simplify right side
    917,792.10x = 800,148,774,388.32
  5. Step 5: Solve for x
    x = 800,148,774,388.32/917,792.10
  6. Step 6: Final answer
    x = 871,819.20

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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.