Home / 1,142,455.38-1,576,228.17-658,955.70

Finding the Fourth Proportional to 1,142,455.38, 1,576,228.17 and 658,955.70

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Solution

The fourth proportional to 1,142,455.38, 1,576,228.17 and 658,955.70 is: 909,151.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,455.38 : 1,576,228.17 = 658,955.70 : x
  2. Step 2: Convert to fraction form
    1,142,455.38/1,576,228.17 = 658,955.70/x
  3. Step 3: Cross multiply
    1,142,455.38x = 1,576,228.17 × 658,955.70
  4. Step 4: Simplify right side
    1,142,455.38x = 1,038,664,537,122.07
  5. Step 5: Solve for x
    x = 1,038,664,537,122.07/1,142,455.38
  6. Step 6: Final answer
    x = 909,151.08

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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.