Home / 614,548.20-921,822.30-572,557.80

Finding the Fourth Proportional to 614,548.20, 921,822.30 and 572,557.80

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Solution

The fourth proportional to 614,548.20, 921,822.30 and 572,557.80 is: 858,836.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,548.20 : 921,822.30 = 572,557.80 : x
  2. Step 2: Convert to fraction form
    614,548.20/921,822.30 = 572,557.80/x
  3. Step 3: Cross multiply
    614,548.20x = 921,822.30 × 572,557.80
  4. Step 4: Simplify right side
    614,548.20x = 527,796,548,078.94
  5. Step 5: Solve for x
    x = 527,796,548,078.94/614,548.20
  6. Step 6: Final answer
    x = 858,836.70

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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.