Home / 708,321.30-1,062,481.95-470,894.10

Finding the Fourth Proportional to 708,321.30, 1,062,481.95 and 470,894.10

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Solution

The fourth proportional to 708,321.30, 1,062,481.95 and 470,894.10 is: 706,341.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,321.30 : 1,062,481.95 = 470,894.10 : x
  2. Step 2: Convert to fraction form
    708,321.30/1,062,481.95 = 470,894.10/x
  3. Step 3: Cross multiply
    708,321.30x = 1,062,481.95 × 470,894.10
  4. Step 4: Simplify right side
    708,321.30x = 500,316,481,611.50
  5. Step 5: Solve for x
    x = 500,316,481,611.50/708,321.30
  6. Step 6: Final answer
    x = 706,341.15

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Double scale
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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.