Home / 673,290.83-929,186.88-386,925.07

Finding the Fourth Proportional to 673,290.83, 929,186.88 and 386,925.07

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Solution

The fourth proportional to 673,290.83, 929,186.88 and 386,925.07 is: 533,982.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,290.83 : 929,186.88 = 386,925.07 : x
  2. Step 2: Convert to fraction form
    673,290.83/929,186.88 = 386,925.07/x
  3. Step 3: Cross multiply
    673,290.83x = 929,186.88 × 386,925.07
  4. Step 4: Simplify right side
    673,290.83x = 359,525,696,652.46
  5. Step 5: Solve for x
    x = 359,525,696,652.46/673,290.83
  6. Step 6: Final answer
    x = 533,982.76

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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.