Home / 1,021,987.53-1,533,218.42-348,074.62

Finding the Fourth Proportional to 1,021,987.53, 1,533,218.42 and 348,074.62

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Solution

The fourth proportional to 1,021,987.53, 1,533,218.42 and 348,074.62 is: 522,192.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,987.53 : 1,533,218.42 = 348,074.62 : x
  2. Step 2: Convert to fraction form
    1,021,987.53/1,533,218.42 = 348,074.62/x
  3. Step 3: Cross multiply
    1,021,987.53x = 1,533,218.42 × 348,074.62
  4. Step 4: Simplify right side
    1,021,987.53x = 533,674,415,955.64
  5. Step 5: Solve for x
    x = 533,674,415,955.64/1,021,987.53
  6. Step 6: Final answer
    x = 522,192.69

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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.