Home / 697,581.92-962,759.32-387,554.02

Finding the Fourth Proportional to 697,581.92, 962,759.32 and 387,554.02

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Solution

The fourth proportional to 697,581.92, 962,759.32 and 387,554.02 is: 534,878.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,581.92 : 962,759.32 = 387,554.02 : x
  2. Step 2: Convert to fraction form
    697,581.92/962,759.32 = 387,554.02/x
  3. Step 3: Cross multiply
    697,581.92x = 962,759.32 × 387,554.02
  4. Step 4: Simplify right side
    697,581.92x = 373,121,241,382.68
  5. Step 5: Solve for x
    x = 373,121,241,382.68/697,581.92
  6. Step 6: Final answer
    x = 534,878.03

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Double scale
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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.