Home / 661,077.02-912,293.34-359,271.02

Finding the Fourth Proportional to 661,077.02, 912,293.34 and 359,271.02

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Solution

The fourth proportional to 661,077.02, 912,293.34 and 359,271.02 is: 495,797.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,077.02 : 912,293.34 = 359,271.02 : x
  2. Step 2: Convert to fraction form
    661,077.02/912,293.34 = 359,271.02/x
  3. Step 3: Cross multiply
    661,077.02x = 912,293.34 × 359,271.02
  4. Step 4: Simplify right side
    661,077.02x = 327,760,558,801.01
  5. Step 5: Solve for x
    x = 327,760,558,801.01/661,077.02
  6. Step 6: Final answer
    x = 495,797.84

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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.