Home / 1,016,909.42-1,403,331.12-558,031.64

Finding the Fourth Proportional to 1,016,909.42, 1,403,331.12 and 558,031.64

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Solution

The fourth proportional to 1,016,909.42, 1,403,331.12 and 558,031.64 is: 770,081.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,909.42 : 1,403,331.12 = 558,031.64 : x
  2. Step 2: Convert to fraction form
    1,016,909.42/1,403,331.12 = 558,031.64/x
  3. Step 3: Cross multiply
    1,016,909.42x = 1,403,331.12 × 558,031.64
  4. Step 4: Simplify right side
    1,016,909.42x = 783,103,159,339.98
  5. Step 5: Solve for x
    x = 783,103,159,339.98/1,016,909.42
  6. Step 6: Final answer
    x = 770,081.53

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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.