Home / 1,443,307.08-1,991,796.24-934,894.36

Finding the Fourth Proportional to 1,443,307.08, 1,991,796.24 and 934,894.36

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Solution

The fourth proportional to 1,443,307.08, 1,991,796.24 and 934,894.36 is: 1,290,175.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,307.08 : 1,991,796.24 = 934,894.36 : x
  2. Step 2: Convert to fraction form
    1,443,307.08/1,991,796.24 = 934,894.36/x
  3. Step 3: Cross multiply
    1,443,307.08x = 1,991,796.24 × 934,894.36
  4. Step 4: Simplify right side
    1,443,307.08x = 1,862,119,071,045.21
  5. Step 5: Solve for x
    x = 1,862,119,071,045.21/1,443,307.08
  6. Step 6: Final answer
    x = 1,290,175.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.