Home / 674,065.40-929,783.07-512,566.40

Finding the Fourth Proportional to 674,065.40, 929,783.07 and 512,566.40

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Solution

The fourth proportional to 674,065.40, 929,783.07 and 512,566.40 is: 707,016.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,065.40 : 929,783.07 = 512,566.40 : x
  2. Step 2: Convert to fraction form
    674,065.40/929,783.07 = 512,566.40/x
  3. Step 3: Cross multiply
    674,065.40x = 929,783.07 × 512,566.40
  4. Step 4: Simplify right side
    674,065.40x = 476,575,560,970.85
  5. Step 5: Solve for x
    x = 476,575,560,970.85/674,065.40
  6. Step 6: Final answer
    x = 707,016.80

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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.