Home / 785,045.61-1,083,359.88-440,833.68

Finding the Fourth Proportional to 785,045.61, 1,083,359.88 and 440,833.68

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Solution

The fourth proportional to 785,045.61, 1,083,359.88 and 440,833.68 is: 608,348.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,045.61 : 1,083,359.88 = 440,833.68 : x
  2. Step 2: Convert to fraction form
    785,045.61/1,083,359.88 = 440,833.68/x
  3. Step 3: Cross multiply
    785,045.61x = 1,083,359.88 × 440,833.68
  4. Step 4: Simplify right side
    785,045.61x = 477,581,522,664.76
  5. Step 5: Solve for x
    x = 477,581,522,664.76/785,045.61
  6. Step 6: Final answer
    x = 608,348.76

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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.