Home / 692,024.72-955,060.92-420,029.96

Finding the Fourth Proportional to 692,024.72, 955,060.92 and 420,029.96

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Solution

The fourth proportional to 692,024.72, 955,060.92 and 420,029.96 is: 579,681.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,024.72 : 955,060.92 = 420,029.96 : x
  2. Step 2: Convert to fraction form
    692,024.72/955,060.92 = 420,029.96/x
  3. Step 3: Cross multiply
    692,024.72x = 955,060.92 × 420,029.96
  4. Step 4: Simplify right side
    692,024.72x = 401,154,200,025.16
  5. Step 5: Solve for x
    x = 401,154,200,025.16/692,024.72
  6. Step 6: Final answer
    x = 579,681.89

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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.