Home / 484,941.40-727,541.70-432,712.60

Finding the Fourth Proportional to 484,941.40, 727,541.70 and 432,712.60

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Solution

The fourth proportional to 484,941.40, 727,541.70 and 432,712.60 is: 649,184.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,941.40 : 727,541.70 = 432,712.60 : x
  2. Step 2: Convert to fraction form
    484,941.40/727,541.70 = 432,712.60/x
  3. Step 3: Cross multiply
    484,941.40x = 727,541.70 × 432,712.60
  4. Step 4: Simplify right side
    484,941.40x = 314,816,460,615.42
  5. Step 5: Solve for x
    x = 314,816,460,615.42/484,941.40
  6. Step 6: Final answer
    x = 649,184.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.