Home / 577,070.40-865,623.27-197,985.84

Finding the Fourth Proportional to 577,070.40, 865,623.27 and 197,985.84

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Solution

The fourth proportional to 577,070.40, 865,623.27 and 197,985.84 is: 296,984.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,070.40 : 865,623.27 = 197,985.84 : x
  2. Step 2: Convert to fraction form
    577,070.40/865,623.27 = 197,985.84/x
  3. Step 3: Cross multiply
    577,070.40x = 865,623.27 × 197,985.84
  4. Step 4: Simplify right side
    577,070.40x = 171,381,150,234.50
  5. Step 5: Solve for x
    x = 171,381,150,234.50/577,070.40
  6. Step 6: Final answer
    x = 296,984.82

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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.