Home / 753,059.66-1,039,234.23-408,895.38

Finding the Fourth Proportional to 753,059.66, 1,039,234.23 and 408,895.38

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Solution

The fourth proportional to 753,059.66, 1,039,234.23 and 408,895.38 is: 564,282.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,059.66 : 1,039,234.23 = 408,895.38 : x
  2. Step 2: Convert to fraction form
    753,059.66/1,039,234.23 = 408,895.38/x
  3. Step 3: Cross multiply
    753,059.66x = 1,039,234.23 × 408,895.38
  4. Step 4: Simplify right side
    753,059.66x = 424,938,075,384.86
  5. Step 5: Solve for x
    x = 424,938,075,384.86/753,059.66
  6. Step 6: Final answer
    x = 564,282.09

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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.