Home / 875,200.95-1,312,899.93-275,984.82

Finding the Fourth Proportional to 875,200.95, 1,312,899.93 and 275,984.82

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Solution

The fourth proportional to 875,200.95, 1,312,899.93 and 275,984.82 is: 414,008.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,200.95 : 1,312,899.93 = 275,984.82 : x
  2. Step 2: Convert to fraction form
    875,200.95/1,312,899.93 = 275,984.82/x
  3. Step 3: Cross multiply
    875,200.95x = 1,312,899.93 × 275,984.82
  4. Step 4: Simplify right side
    875,200.95x = 362,340,450,859.06
  5. Step 5: Solve for x
    x = 362,340,450,859.06/875,200.95
  6. Step 6: Final answer
    x = 414,008.29

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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.