Home / 911,542.04-1,257,907.02-503,622.80

Finding the Fourth Proportional to 911,542.04, 1,257,907.02 and 503,622.80

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Solution

The fourth proportional to 911,542.04, 1,257,907.02 and 503,622.80 is: 694,987.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,542.04 : 1,257,907.02 = 503,622.80 : x
  2. Step 2: Convert to fraction form
    911,542.04/1,257,907.02 = 503,622.80/x
  3. Step 3: Cross multiply
    911,542.04x = 1,257,907.02 × 503,622.80
  4. Step 4: Simplify right side
    911,542.04x = 633,510,655,552.06
  5. Step 5: Solve for x
    x = 633,510,655,552.06/911,542.04
  6. Step 6: Final answer
    x = 694,987.86

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1.5x scale

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.