Home / 1,028,658.51-1,543,061.68-354,730.12

Finding the Fourth Proportional to 1,028,658.51, 1,543,061.68 and 354,730.12

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Solution

The fourth proportional to 1,028,658.51, 1,543,061.68 and 354,730.12 is: 532,120.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,658.51 : 1,543,061.68 = 354,730.12 : x
  2. Step 2: Convert to fraction form
    1,028,658.51/1,543,061.68 = 354,730.12/x
  3. Step 3: Cross multiply
    1,028,658.51x = 1,543,061.68 × 354,730.12
  4. Step 4: Simplify right side
    1,028,658.51x = 547,370,450,169.32
  5. Step 5: Solve for x
    x = 547,370,450,169.32/1,028,658.51
  6. Step 6: Final answer
    x = 532,120.66

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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.