Home / 977,116.10-1,465,674.15-416,207.30

Finding the Fourth Proportional to 977,116.10, 1,465,674.15 and 416,207.30

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Solution

The fourth proportional to 977,116.10, 1,465,674.15 and 416,207.30 is: 624,310.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,116.10 : 1,465,674.15 = 416,207.30 : x
  2. Step 2: Convert to fraction form
    977,116.10/1,465,674.15 = 416,207.30/x
  3. Step 3: Cross multiply
    977,116.10x = 1,465,674.15 × 416,207.30
  4. Step 4: Simplify right side
    977,116.10x = 610,024,280,651.30
  5. Step 5: Solve for x
    x = 610,024,280,651.30/977,116.10
  6. Step 6: Final answer
    x = 624,310.95

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Double scale
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Similar ratio
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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.