Home / 932,030.21-1,398,031.11-419,333.22

Finding the Fourth Proportional to 932,030.21, 1,398,031.11 and 419,333.22

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Solution

The fourth proportional to 932,030.21, 1,398,031.11 and 419,333.22 is: 628,993.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,030.21 : 1,398,031.11 = 419,333.22 : x
  2. Step 2: Convert to fraction form
    932,030.21/1,398,031.11 = 419,333.22/x
  3. Step 3: Cross multiply
    932,030.21x = 1,398,031.11 × 419,333.22
  4. Step 4: Simplify right side
    932,030.21x = 586,240,887,016.47
  5. Step 5: Solve for x
    x = 586,240,887,016.47/932,030.21
  6. Step 6: Final answer
    x = 628,993.44

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1.5x scale

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.