Home / 528,024.80-792,037.20-440,933.60

Finding the Fourth Proportional to 528,024.80, 792,037.20 and 440,933.60

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Solution

The fourth proportional to 528,024.80, 792,037.20 and 440,933.60 is: 661,400.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,024.80 : 792,037.20 = 440,933.60 : x
  2. Step 2: Convert to fraction form
    528,024.80/792,037.20 = 440,933.60/x
  3. Step 3: Cross multiply
    528,024.80x = 792,037.20 × 440,933.60
  4. Step 4: Simplify right side
    528,024.80x = 349,235,813,929.92
  5. Step 5: Solve for x
    x = 349,235,813,929.92/528,024.80
  6. Step 6: Final answer
    x = 661,400.40

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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.