Home / 875,987.75-1,312,277.37-575,555.51

Finding the Fourth Proportional to 875,987.75, 1,312,277.37 and 575,555.51

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Solution

The fourth proportional to 875,987.75, 1,312,277.37 and 575,555.51 is: 862,213.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,987.75 : 1,312,277.37 = 575,555.51 : x
  2. Step 2: Convert to fraction form
    875,987.75/1,312,277.37 = 575,555.51/x
  3. Step 3: Cross multiply
    875,987.75x = 1,312,277.37 × 575,555.51
  4. Step 4: Simplify right side
    875,987.75x = 755,288,464,390.42
  5. Step 5: Solve for x
    x = 755,288,464,390.42/875,987.75
  6. Step 6: Final answer
    x = 862,213.51

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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.