Home / 886,599.40-1,329,035.10-507,130.60

Finding the Fourth Proportional to 886,599.40, 1,329,035.10 and 507,130.60

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Solution

The fourth proportional to 886,599.40, 1,329,035.10 and 507,130.60 is: 760,201.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,599.40 : 1,329,035.10 = 507,130.60 : x
  2. Step 2: Convert to fraction form
    886,599.40/1,329,035.10 = 507,130.60/x
  3. Step 3: Cross multiply
    886,599.40x = 1,329,035.10 × 507,130.60
  4. Step 4: Simplify right side
    886,599.40x = 673,994,367,684.06
  5. Step 5: Solve for x
    x = 673,994,367,684.06/886,599.40
  6. Step 6: Final answer
    x = 760,201.70

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Double scale
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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.