Home / 674,941.70-1,013,068.65-409,221.20

Finding the Fourth Proportional to 674,941.70, 1,013,068.65 and 409,221.20

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Solution

The fourth proportional to 674,941.70, 1,013,068.65 and 409,221.20 is: 614,229.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,941.70 : 1,013,068.65 = 409,221.20 : x
  2. Step 2: Convert to fraction form
    674,941.70/1,013,068.65 = 409,221.20/x
  3. Step 3: Cross multiply
    674,941.70x = 1,013,068.65 × 409,221.20
  4. Step 4: Simplify right side
    674,941.70x = 414,569,168,635.38
  5. Step 5: Solve for x
    x = 414,569,168,635.38/674,941.70
  6. Step 6: Final answer
    x = 614,229.60

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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.