Home / 1,185,455.43-1,778,183.21-286,897.32

Finding the Fourth Proportional to 1,185,455.43, 1,778,183.21 and 286,897.32

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Solution

The fourth proportional to 1,185,455.43, 1,778,183.21 and 286,897.32 is: 430,346.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,455.43 : 1,778,183.21 = 286,897.32 : x
  2. Step 2: Convert to fraction form
    1,185,455.43/1,778,183.21 = 286,897.32/x
  3. Step 3: Cross multiply
    1,185,455.43x = 1,778,183.21 × 286,897.32
  4. Step 4: Simplify right side
    1,185,455.43x = 510,155,998,135.24
  5. Step 5: Solve for x
    x = 510,155,998,135.24/1,185,455.43
  6. Step 6: Final answer
    x = 430,346.00

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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.