Home / 763,718.97-1,053,815.08-441,366.85

Finding the Fourth Proportional to 763,718.97, 1,053,815.08 and 441,366.85

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Solution

The fourth proportional to 763,718.97, 1,053,815.08 and 441,366.85 is: 609,018.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,718.97 : 1,053,815.08 = 441,366.85 : x
  2. Step 2: Convert to fraction form
    763,718.97/1,053,815.08 = 441,366.85/x
  3. Step 3: Cross multiply
    763,718.97x = 1,053,815.08 × 441,366.85
  4. Step 4: Simplify right side
    763,718.97x = 465,119,034,866.19
  5. Step 5: Solve for x
    x = 465,119,034,866.19/763,718.97
  6. Step 6: Final answer
    x = 609,018.57

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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.