Home / 867,555.60-1,197,232.75-505,190.76

Finding the Fourth Proportional to 867,555.60, 1,197,232.75 and 505,190.76

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Solution

The fourth proportional to 867,555.60, 1,197,232.75 and 505,190.76 is: 697,166.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,555.60 : 1,197,232.75 = 505,190.76 : x
  2. Step 2: Convert to fraction form
    867,555.60/1,197,232.75 = 505,190.76/x
  3. Step 3: Cross multiply
    867,555.60x = 1,197,232.75 × 505,190.76
  4. Step 4: Simplify right side
    867,555.60x = 604,830,922,869.39
  5. Step 5: Solve for x
    x = 604,830,922,869.39/867,555.60
  6. Step 6: Final answer
    x = 697,166.76

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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.