Home / 757,470.81-1,045,331.59-417,960.93

Finding the Fourth Proportional to 757,470.81, 1,045,331.59 and 417,960.93

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Solution

The fourth proportional to 757,470.81, 1,045,331.59 and 417,960.93 is: 576,798.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,470.81 : 1,045,331.59 = 417,960.93 : x
  2. Step 2: Convert to fraction form
    757,470.81/1,045,331.59 = 417,960.93/x
  3. Step 3: Cross multiply
    757,470.81x = 1,045,331.59 × 417,960.93
  4. Step 4: Simplify right side
    757,470.81x = 436,907,763,514.78
  5. Step 5: Solve for x
    x = 436,907,763,514.78/757,470.81
  6. Step 6: Final answer
    x = 576,798.15

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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.