Home / 738,210-1,018,438.20-466,176.36

Finding the Fourth Proportional to 738,210, 1,018,438.20 and 466,176.36

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Solution

The fourth proportional to 738,210, 1,018,438.20 and 466,176.36 is: 643,139.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,210 : 1,018,438.20 = 466,176.36 : x
  2. Step 2: Convert to fraction form
    738,210/1,018,438.20 = 466,176.36/x
  3. Step 3: Cross multiply
    738,210x = 1,018,438.20 × 466,176.36
  4. Step 4: Simplify right side
    738,210x = 474,771,812,960.95
  5. Step 5: Solve for x
    x = 474,771,812,960.95/738,210
  6. Step 6: Final answer
    x = 643,139.23

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.