Home / 977,115.99-1,348,420.20-541,561.46

Finding the Fourth Proportional to 977,115.99, 1,348,420.20 and 541,561.46

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Solution

The fourth proportional to 977,115.99, 1,348,420.20 and 541,561.46 is: 747,354.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,115.99 : 1,348,420.20 = 541,561.46 : x
  2. Step 2: Convert to fraction form
    977,115.99/1,348,420.20 = 541,561.46/x
  3. Step 3: Cross multiply
    977,115.99x = 1,348,420.20 × 541,561.46
  4. Step 4: Simplify right side
    977,115.99x = 730,252,412,205.49
  5. Step 5: Solve for x
    x = 730,252,412,205.49/977,115.99
  6. Step 6: Final answer
    x = 747,354.89

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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.