Home / 827,826.14-1,240,700.88-353,955.26

Finding the Fourth Proportional to 827,826.14, 1,240,700.88 and 353,955.26

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Solution

The fourth proportional to 827,826.14, 1,240,700.88 and 353,955.26 is: 530,488.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,826.14 : 1,240,700.88 = 353,955.26 : x
  2. Step 2: Convert to fraction form
    827,826.14/1,240,700.88 = 353,955.26/x
  3. Step 3: Cross multiply
    827,826.14x = 1,240,700.88 × 353,955.26
  4. Step 4: Simplify right side
    827,826.14x = 439,152,602,562.63
  5. Step 5: Solve for x
    x = 439,152,602,562.63/827,826.14
  6. Step 6: Final answer
    x = 530,488.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.