Home / 673,272.95-929,152.22-386,811.59

Finding the Fourth Proportional to 673,272.95, 929,152.22 and 386,811.59

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Solution

The fourth proportional to 673,272.95, 929,152.22 and 386,811.59 is: 533,820.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,272.95 : 929,152.22 = 386,811.59 : x
  2. Step 2: Convert to fraction form
    673,272.95/929,152.22 = 386,811.59/x
  3. Step 3: Cross multiply
    673,272.95x = 929,152.22 × 386,811.59
  4. Step 4: Simplify right side
    673,272.95x = 359,406,840,990.41
  5. Step 5: Solve for x
    x = 359,406,840,990.41/673,272.95
  6. Step 6: Final answer
    x = 533,820.41

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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.