Home / 1,692,130.50-2,335,140.09-928,185.89

Finding the Fourth Proportional to 1,692,130.50, 2,335,140.09 and 928,185.89

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Solution

The fourth proportional to 1,692,130.50, 2,335,140.09 and 928,185.89 is: 1,280,896.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,130.50 : 2,335,140.09 = 928,185.89 : x
  2. Step 2: Convert to fraction form
    1,692,130.50/2,335,140.09 = 928,185.89/x
  3. Step 3: Cross multiply
    1,692,130.50x = 2,335,140.09 × 928,185.89
  4. Step 4: Simplify right side
    1,692,130.50x = 2,167,444,071,035.63
  5. Step 5: Solve for x
    x = 2,167,444,071,035.63/1,692,130.50
  6. Step 6: Final answer
    x = 1,280,896.52

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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.