Home / 651,272.94-899,195.24-406,630.16

Finding the Fourth Proportional to 651,272.94, 899,195.24 and 406,630.16

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Solution

The fourth proportional to 651,272.94, 899,195.24 and 406,630.16 is: 561,423.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,272.94 : 899,195.24 = 406,630.16 : x
  2. Step 2: Convert to fraction form
    651,272.94/899,195.24 = 406,630.16/x
  3. Step 3: Cross multiply
    651,272.94x = 899,195.24 × 406,630.16
  4. Step 4: Simplify right side
    651,272.94x = 365,639,904,205.02
  5. Step 5: Solve for x
    x = 365,639,904,205.02/651,272.94
  6. Step 6: Final answer
    x = 561,423.46

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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.