Home / 624,173.07-862,240.64-496,685.55

Finding the Fourth Proportional to 624,173.07, 862,240.64 and 496,685.55

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Solution

The fourth proportional to 624,173.07, 862,240.64 and 496,685.55 is: 686,127.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,173.07 : 862,240.64 = 496,685.55 : x
  2. Step 2: Convert to fraction form
    624,173.07/862,240.64 = 496,685.55/x
  3. Step 3: Cross multiply
    624,173.07x = 862,240.64 × 496,685.55
  4. Step 4: Simplify right side
    624,173.07x = 428,262,464,027.32
  5. Step 5: Solve for x
    x = 428,262,464,027.32/624,173.07
  6. Step 6: Final answer
    x = 686,127.75

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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.