Home / 757,615.72-1,045,534.80-413,470.48

Finding the Fourth Proportional to 757,615.72, 1,045,534.80 and 413,470.48

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Solution

The fourth proportional to 757,615.72, 1,045,534.80 and 413,470.48 is: 570,602.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,615.72 : 1,045,534.80 = 413,470.48 : x
  2. Step 2: Convert to fraction form
    757,615.72/1,045,534.80 = 413,470.48/x
  3. Step 3: Cross multiply
    757,615.72x = 1,045,534.80 × 413,470.48
  4. Step 4: Simplify right side
    757,615.72x = 432,297,775,612.70
  5. Step 5: Solve for x
    x = 432,297,775,612.70/757,615.72
  6. Step 6: Final answer
    x = 570,602.96

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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.