Home / 771,695.39-1,064,747.27-445,108.25

Finding the Fourth Proportional to 771,695.39, 1,064,747.27 and 445,108.25

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Solution

The fourth proportional to 771,695.39, 1,064,747.27 and 445,108.25 is: 614,138.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,695.39 : 1,064,747.27 = 445,108.25 : x
  2. Step 2: Convert to fraction form
    771,695.39/1,064,747.27 = 445,108.25/x
  3. Step 3: Cross multiply
    771,695.39x = 1,064,747.27 × 445,108.25
  4. Step 4: Simplify right side
    771,695.39x = 473,927,794,041.98
  5. Step 5: Solve for x
    x = 473,927,794,041.98/771,695.39
  6. Step 6: Final answer
    x = 614,138.43

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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.