Home / 1,114,079.60-1,537,626.20-630,672.24

Finding the Fourth Proportional to 1,114,079.60, 1,537,626.20 and 630,672.24

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Solution

The fourth proportional to 1,114,079.60, 1,537,626.20 and 630,672.24 is: 870,438.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,079.60 : 1,537,626.20 = 630,672.24 : x
  2. Step 2: Convert to fraction form
    1,114,079.60/1,537,626.20 = 630,672.24/x
  3. Step 3: Cross multiply
    1,114,079.60x = 1,537,626.20 × 630,672.24
  4. Step 4: Simplify right side
    1,114,079.60x = 969,738,159,836.69
  5. Step 5: Solve for x
    x = 969,738,159,836.69/1,114,079.60
  6. Step 6: Final answer
    x = 870,438.84

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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.