Home / 768,623.99-1,060,700.81-429,092.24

Finding the Fourth Proportional to 768,623.99, 1,060,700.81 and 429,092.24

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Solution

The fourth proportional to 768,623.99, 1,060,700.81 and 429,092.24 is: 592,147.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,623.99 : 1,060,700.81 = 429,092.24 : x
  2. Step 2: Convert to fraction form
    768,623.99/1,060,700.81 = 429,092.24/x
  3. Step 3: Cross multiply
    768,623.99x = 1,060,700.81 × 429,092.24
  4. Step 4: Simplify right side
    768,623.99x = 455,138,479,083.75
  5. Step 5: Solve for x
    x = 455,138,479,083.75/768,623.99
  6. Step 6: Final answer
    x = 592,147.12

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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.