Home / 977,143.10-1,465,714.65-416,234.30

Finding the Fourth Proportional to 977,143.10, 1,465,714.65 and 416,234.30

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Solution

The fourth proportional to 977,143.10, 1,465,714.65 and 416,234.30 is: 624,351.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,143.10 : 1,465,714.65 = 416,234.30 : x
  2. Step 2: Convert to fraction form
    977,143.10/1,465,714.65 = 416,234.30/x
  3. Step 3: Cross multiply
    977,143.10x = 1,465,714.65 × 416,234.30
  4. Step 4: Simplify right side
    977,143.10x = 610,080,711,342.50
  5. Step 5: Solve for x
    x = 610,080,711,342.50/977,143.10
  6. Step 6: Final answer
    x = 624,351.45

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Half scale
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Double scale
Find fourth proportional to 977,144.10, 1,465,716.15 and 416,235.30
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.