Home / 651,738.35-899,429.67-406,868.27

Finding the Fourth Proportional to 651,738.35, 899,429.67 and 406,868.27

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Solution

The fourth proportional to 651,738.35, 899,429.67 and 406,868.27 is: 561,497.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,738.35 : 899,429.67 = 406,868.27 : x
  2. Step 2: Convert to fraction form
    651,738.35/899,429.67 = 406,868.27/x
  3. Step 3: Cross multiply
    651,738.35x = 899,429.67 × 406,868.27
  4. Step 4: Simplify right side
    651,738.35x = 365,949,389,322.42
  5. Step 5: Solve for x
    x = 365,949,389,322.42/651,738.35
  6. Step 6: Final answer
    x = 561,497.40

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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.