Home / 1,142,455.88-1,576,228.86-658,956.20

Finding the Fourth Proportional to 1,142,455.88, 1,576,228.86 and 658,956.20

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Solution

The fourth proportional to 1,142,455.88, 1,576,228.86 and 658,956.20 is: 909,151.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,455.88 : 1,576,228.86 = 658,956.20 : x
  2. Step 2: Convert to fraction form
    1,142,455.88/1,576,228.86 = 658,956.20/x
  3. Step 3: Cross multiply
    1,142,455.88x = 1,576,228.86 × 658,956.20
  4. Step 4: Simplify right side
    1,142,455.88x = 1,038,665,779,915.93
  5. Step 5: Solve for x
    x = 1,038,665,779,915.93/1,142,455.88
  6. Step 6: Final answer
    x = 909,151.77

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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.