Home / 1,185,550.83-1,778,330.88-286,991.10

Finding the Fourth Proportional to 1,185,550.83, 1,778,330.88 and 286,991.10

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Solution

The fourth proportional to 1,185,550.83, 1,778,330.88 and 286,991.10 is: 430,487.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,550.83 : 1,778,330.88 = 286,991.10 : x
  2. Step 2: Convert to fraction form
    1,185,550.83/1,778,330.88 = 286,991.10/x
  3. Step 3: Cross multiply
    1,185,550.83x = 1,778,330.88 × 286,991.10
  4. Step 4: Simplify right side
    1,185,550.83x = 510,365,133,980.21
  5. Step 5: Solve for x
    x = 510,365,133,980.21/1,185,550.83
  6. Step 6: Final answer
    x = 430,487.77

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Double scale
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Similar ratio
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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.