Home / 1,140,115.08-1,573,338.06-630,817.50

Finding the Fourth Proportional to 1,140,115.08, 1,573,338.06 and 630,817.50

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Solution

The fourth proportional to 1,140,115.08, 1,573,338.06 and 630,817.50 is: 870,516.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,115.08 : 1,573,338.06 = 630,817.50 : x
  2. Step 2: Convert to fraction form
    1,140,115.08/1,573,338.06 = 630,817.50/x
  3. Step 3: Cross multiply
    1,140,115.08x = 1,573,338.06 × 630,817.50
  4. Step 4: Simplify right side
    1,140,115.08x = 992,489,181,664.05
  5. Step 5: Solve for x
    x = 992,489,181,664.05/1,140,115.08
  6. Step 6: Final answer
    x = 870,516.67

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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.