Home / 1,131,518.89-1,696,915.32-373,189.87

Finding the Fourth Proportional to 1,131,518.89, 1,696,915.32 and 373,189.87

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Solution

The fourth proportional to 1,131,518.89, 1,696,915.32 and 373,189.87 is: 559,665.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,518.89 : 1,696,915.32 = 373,189.87 : x
  2. Step 2: Convert to fraction form
    1,131,518.89/1,696,915.32 = 373,189.87/x
  3. Step 3: Cross multiply
    1,131,518.89x = 1,696,915.32 × 373,189.87
  4. Step 4: Simplify right side
    1,131,518.89x = 633,271,607,671.81
  5. Step 5: Solve for x
    x = 633,271,607,671.81/1,131,518.89
  6. Step 6: Final answer
    x = 559,665.08

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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.