Home / 1,153,316.39-1,591,570.25-637,105.71

Finding the Fourth Proportional to 1,153,316.39, 1,591,570.25 and 637,105.71

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Solution

The fourth proportional to 1,153,316.39, 1,591,570.25 and 637,105.71 is: 879,202.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,316.39 : 1,591,570.25 = 637,105.71 : x
  2. Step 2: Convert to fraction form
    1,153,316.39/1,591,570.25 = 637,105.71/x
  3. Step 3: Cross multiply
    1,153,316.39x = 1,591,570.25 × 637,105.71
  4. Step 4: Simplify right side
    1,153,316.39x = 1,013,998,499,313.13
  5. Step 5: Solve for x
    x = 1,013,998,499,313.13/1,153,316.39
  6. Step 6: Final answer
    x = 879,202.37

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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.