Home / 714,423.42-985,953.60-472,286.07

Finding the Fourth Proportional to 714,423.42, 985,953.60 and 472,286.07

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Solution

The fourth proportional to 714,423.42, 985,953.60 and 472,286.07 is: 651,787.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,423.42 : 985,953.60 = 472,286.07 : x
  2. Step 2: Convert to fraction form
    714,423.42/985,953.60 = 472,286.07/x
  3. Step 3: Cross multiply
    714,423.42x = 985,953.60 × 472,286.07
  4. Step 4: Simplify right side
    714,423.42x = 465,652,150,946.35
  5. Step 5: Solve for x
    x = 465,652,150,946.35/714,423.42
  6. Step 6: Final answer
    x = 651,787.35

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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.