Home / 673,290.58-929,186.53-386,924.82

Finding the Fourth Proportional to 673,290.58, 929,186.53 and 386,924.82

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Solution

The fourth proportional to 673,290.58, 929,186.53 and 386,924.82 is: 533,982.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,290.58 : 929,186.53 = 386,924.82 : x
  2. Step 2: Convert to fraction form
    673,290.58/929,186.53 = 386,924.82/x
  3. Step 3: Cross multiply
    673,290.58x = 929,186.53 × 386,924.82
  4. Step 4: Simplify right side
    673,290.58x = 359,525,330,866.68
  5. Step 5: Solve for x
    x = 359,525,330,866.68/673,290.58
  6. Step 6: Final answer
    x = 533,982.42

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Double scale
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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.