Home / 693,220.44-956,480.27-402,659.36

Finding the Fourth Proportional to 693,220.44, 956,480.27 and 402,659.36

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Solution

The fourth proportional to 693,220.44, 956,480.27 and 402,659.36 is: 555,574.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,220.44 : 956,480.27 = 402,659.36 : x
  2. Step 2: Convert to fraction form
    693,220.44/956,480.27 = 402,659.36/x
  3. Step 3: Cross multiply
    693,220.44x = 956,480.27 × 402,659.36
  4. Step 4: Simplify right side
    693,220.44x = 385,135,730,161.93
  5. Step 5: Solve for x
    x = 385,135,730,161.93/693,220.44
  6. Step 6: Final answer
    x = 555,574.69

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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.