Home / 577,155.40-865,733.10-262,227.40

Finding the Fourth Proportional to 577,155.40, 865,733.10 and 262,227.40

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Solution

The fourth proportional to 577,155.40, 865,733.10 and 262,227.40 is: 393,341.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,155.40 : 865,733.10 = 262,227.40 : x
  2. Step 2: Convert to fraction form
    577,155.40/865,733.10 = 262,227.40/x
  3. Step 3: Cross multiply
    577,155.40x = 865,733.10 × 262,227.40
  4. Step 4: Simplify right side
    577,155.40x = 227,018,939,906.94
  5. Step 5: Solve for x
    x = 227,018,939,906.94/577,155.40
  6. Step 6: Final answer
    x = 393,341.10

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Similar ratio
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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.