Home / 736,727.87-1,105,275.72-256,962.56

Finding the Fourth Proportional to 736,727.87, 1,105,275.72 and 256,962.56

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Solution

The fourth proportional to 736,727.87, 1,105,275.72 and 256,962.56 is: 385,507.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,727.87 : 1,105,275.72 = 256,962.56 : x
  2. Step 2: Convert to fraction form
    736,727.87/1,105,275.72 = 256,962.56/x
  3. Step 3: Cross multiply
    736,727.87x = 1,105,275.72 × 256,962.56
  4. Step 4: Simplify right side
    736,727.87x = 284,014,472,990.67
  5. Step 5: Solve for x
    x = 284,014,472,990.67/736,727.87
  6. Step 6: Final answer
    x = 385,507.98

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1.5x scale

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.