Home / 867,752.40-1,197,463.32-505,186.68

Finding the Fourth Proportional to 867,752.40, 1,197,463.32 and 505,186.68

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Solution

The fourth proportional to 867,752.40, 1,197,463.32 and 505,186.68 is: 697,137.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,752.40 : 1,197,463.32 = 505,186.68 : x
  2. Step 2: Convert to fraction form
    867,752.40/1,197,463.32 = 505,186.68/x
  3. Step 3: Cross multiply
    867,752.40x = 1,197,463.32 × 505,186.68
  4. Step 4: Simplify right side
    867,752.40x = 604,942,519,052.58
  5. Step 5: Solve for x
    x = 604,942,519,052.58/867,752.40
  6. Step 6: Final answer
    x = 697,137.25

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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.