Home / 896,424.28-1,344,768.87-289,009.55

Finding the Fourth Proportional to 896,424.28, 1,344,768.87 and 289,009.55

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Solution

The fourth proportional to 896,424.28, 1,344,768.87 and 289,009.55 is: 433,557.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,424.28 : 1,344,768.87 = 289,009.55 : x
  2. Step 2: Convert to fraction form
    896,424.28/1,344,768.87 = 289,009.55/x
  3. Step 3: Cross multiply
    896,424.28x = 1,344,768.87 × 289,009.55
  4. Step 4: Simplify right side
    896,424.28x = 388,651,045,972.71
  5. Step 5: Solve for x
    x = 388,651,045,972.71/896,424.28
  6. Step 6: Final answer
    x = 433,557.03

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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.