Home / 859,153.11-1,186,164.05-553,755.57

Finding the Fourth Proportional to 859,153.11, 1,186,164.05 and 553,755.57

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Solution

The fourth proportional to 859,153.11, 1,186,164.05 and 553,755.57 is: 764,526.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,153.11 : 1,186,164.05 = 553,755.57 : x
  2. Step 2: Convert to fraction form
    859,153.11/1,186,164.05 = 553,755.57/x
  3. Step 3: Cross multiply
    859,153.11x = 1,186,164.05 × 553,755.57
  4. Step 4: Simplify right side
    859,153.11x = 656,844,946,852.48
  5. Step 5: Solve for x
    x = 656,844,946,852.48/859,153.11
  6. Step 6: Final answer
    x = 764,526.07

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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.