Home / 971,455.61-1,340,611.66-535,862.45

Finding the Fourth Proportional to 971,455.61, 1,340,611.66 and 535,862.45

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Solution

The fourth proportional to 971,455.61, 1,340,611.66 and 535,862.45 is: 739,491.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,455.61 : 1,340,611.66 = 535,862.45 : x
  2. Step 2: Convert to fraction form
    971,455.61/1,340,611.66 = 535,862.45/x
  3. Step 3: Cross multiply
    971,455.61x = 1,340,611.66 × 535,862.45
  4. Step 4: Simplify right side
    971,455.61x = 718,383,452,647.52
  5. Step 5: Solve for x
    x = 718,383,452,647.52/971,455.61
  6. Step 6: Final answer
    x = 739,491.79

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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.