Home / 685,491.93-1,027,566.72-286,246.85

Finding the Fourth Proportional to 685,491.93, 1,027,566.72 and 286,246.85

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Solution

The fourth proportional to 685,491.93, 1,027,566.72 and 286,246.85 is: 429,090.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,491.93 : 1,027,566.72 = 286,246.85 : x
  2. Step 2: Convert to fraction form
    685,491.93/1,027,566.72 = 286,246.85/x
  3. Step 3: Cross multiply
    685,491.93x = 1,027,566.72 × 286,246.85
  4. Step 4: Simplify right side
    685,491.93x = 294,137,731,627.00
  5. Step 5: Solve for x
    x = 294,137,731,627.00/685,491.93
  6. Step 6: Final answer
    x = 429,090.00

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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.