Home / 545,812.02-752,618.79-373,758.30

Finding the Fourth Proportional to 545,812.02, 752,618.79 and 373,758.30

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Solution

The fourth proportional to 545,812.02, 752,618.79 and 373,758.30 is: 515,374.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,812.02 : 752,618.79 = 373,758.30 : x
  2. Step 2: Convert to fraction form
    545,812.02/752,618.79 = 373,758.30/x
  3. Step 3: Cross multiply
    545,812.02x = 752,618.79 × 373,758.30
  4. Step 4: Simplify right side
    545,812.02x = 281,297,519,498.46
  5. Step 5: Solve for x
    x = 281,297,519,498.46/545,812.02
  6. Step 6: Final answer
    x = 515,374.36

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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.