Home / 805,868.02-1,112,179.35-461,749.60

Finding the Fourth Proportional to 805,868.02, 1,112,179.35 and 461,749.60

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Solution

The fourth proportional to 805,868.02, 1,112,179.35 and 461,749.60 is: 637,261.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,868.02 : 1,112,179.35 = 461,749.60 : x
  2. Step 2: Convert to fraction form
    805,868.02/1,112,179.35 = 461,749.60/x
  3. Step 3: Cross multiply
    805,868.02x = 1,112,179.35 × 461,749.60
  4. Step 4: Simplify right side
    805,868.02x = 513,548,369,990.76
  5. Step 5: Solve for x
    x = 513,548,369,990.76/805,868.02
  6. Step 6: Final answer
    x = 637,261.14

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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.