Home / 826,576.86-1,140,382.71-540,262.02

Finding the Fourth Proportional to 826,576.86, 1,140,382.71 and 540,262.02

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Solution

The fourth proportional to 826,576.86, 1,140,382.71 and 540,262.02 is: 745,369.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,576.86 : 1,140,382.71 = 540,262.02 : x
  2. Step 2: Convert to fraction form
    826,576.86/1,140,382.71 = 540,262.02/x
  3. Step 3: Cross multiply
    826,576.86x = 1,140,382.71 × 540,262.02
  4. Step 4: Simplify right side
    826,576.86x = 616,105,466,477.67
  5. Step 5: Solve for x
    x = 616,105,466,477.67/826,576.86
  6. Step 6: Final answer
    x = 745,369.85

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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.