Home / 577,578.60-865,784.70-262,261.80

Finding the Fourth Proportional to 577,578.60, 865,784.70 and 262,261.80

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Solution

The fourth proportional to 577,578.60, 865,784.70 and 262,261.80 is: 393,127.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,578.60 : 865,784.70 = 262,261.80 : x
  2. Step 2: Convert to fraction form
    577,578.60/865,784.70 = 262,261.80/x
  3. Step 3: Cross multiply
    577,578.60x = 865,784.70 × 262,261.80
  4. Step 4: Simplify right side
    577,578.60x = 227,062,253,834.46
  5. Step 5: Solve for x
    x = 227,062,253,834.46/577,578.60
  6. Step 6: Final answer
    x = 393,127.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.