Home / 1,128,459.69-1,557,303.03-619,161.93

Finding the Fourth Proportional to 1,128,459.69, 1,557,303.03 and 619,161.93

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Solution

The fourth proportional to 1,128,459.69, 1,557,303.03 and 619,161.93 is: 854,459.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,459.69 : 1,557,303.03 = 619,161.93 : x
  2. Step 2: Convert to fraction form
    1,128,459.69/1,557,303.03 = 619,161.93/x
  3. Step 3: Cross multiply
    1,128,459.69x = 1,557,303.03 × 619,161.93
  4. Step 4: Simplify right side
    1,128,459.69x = 964,222,749,649.65
  5. Step 5: Solve for x
    x = 964,222,749,649.65/1,128,459.69
  6. Step 6: Final answer
    x = 854,459.19

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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.