Home / 875,958.58-1,208,826.21-488,790.34

Finding the Fourth Proportional to 875,958.58, 1,208,826.21 and 488,790.34

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Solution

The fourth proportional to 875,958.58, 1,208,826.21 and 488,790.34 is: 674,532.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,958.58 : 1,208,826.21 = 488,790.34 : x
  2. Step 2: Convert to fraction form
    875,958.58/1,208,826.21 = 488,790.34/x
  3. Step 3: Cross multiply
    875,958.58x = 1,208,826.21 × 488,790.34
  4. Step 4: Simplify right side
    875,958.58x = 590,862,574,186.81
  5. Step 5: Solve for x
    x = 590,862,574,186.81/875,958.58
  6. Step 6: Final answer
    x = 674,532.55

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1.5x scale

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.