Home / 738,421.84-1,019,052.12-416,145.52

Finding the Fourth Proportional to 738,421.84, 1,019,052.12 and 416,145.52

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Solution

The fourth proportional to 738,421.84, 1,019,052.12 and 416,145.52 is: 574,297.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,421.84 : 1,019,052.12 = 416,145.52 : x
  2. Step 2: Convert to fraction form
    738,421.84/1,019,052.12 = 416,145.52/x
  3. Step 3: Cross multiply
    738,421.84x = 1,019,052.12 × 416,145.52
  4. Step 4: Simplify right side
    738,421.84x = 424,073,974,384.50
  5. Step 5: Solve for x
    x = 424,073,974,384.50/738,421.84
  6. Step 6: Final answer
    x = 574,297.71

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Double scale
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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.