Home / 870,059.04-1,200,676.20-507,454.44

Finding the Fourth Proportional to 870,059.04, 1,200,676.20 and 507,454.44

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Solution

The fourth proportional to 870,059.04, 1,200,676.20 and 507,454.44 is: 700,284.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,059.04 : 1,200,676.20 = 507,454.44 : x
  2. Step 2: Convert to fraction form
    870,059.04/1,200,676.20 = 507,454.44/x
  3. Step 3: Cross multiply
    870,059.04x = 1,200,676.20 × 507,454.44
  4. Step 4: Simplify right side
    870,059.04x = 609,288,468,692.33
  5. Step 5: Solve for x
    x = 609,288,468,692.33/870,059.04
  6. Step 6: Final answer
    x = 700,284.05

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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.