Home / 1,190,289.48-1,785,237.30-391,581.24

Finding the Fourth Proportional to 1,190,289.48, 1,785,237.30 and 391,581.24

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Solution

The fourth proportional to 1,190,289.48, 1,785,237.30 and 391,581.24 is: 587,307.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,289.48 : 1,785,237.30 = 391,581.24 : x
  2. Step 2: Convert to fraction form
    1,190,289.48/1,785,237.30 = 391,581.24/x
  3. Step 3: Cross multiply
    1,190,289.48x = 1,785,237.30 × 391,581.24
  4. Step 4: Simplify right side
    1,190,289.48x = 699,065,435,628.25
  5. Step 5: Solve for x
    x = 699,065,435,628.25/1,190,289.48
  6. Step 6: Final answer
    x = 587,307.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.