Home / 649,186.22-973,779.34-425,959.14

Finding the Fourth Proportional to 649,186.22, 973,779.34 and 425,959.14

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Solution

The fourth proportional to 649,186.22, 973,779.34 and 425,959.14 is: 638,938.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,186.22 : 973,779.34 = 425,959.14 : x
  2. Step 2: Convert to fraction form
    649,186.22/973,779.34 = 425,959.14/x
  3. Step 3: Cross multiply
    649,186.22x = 973,779.34 × 425,959.14
  4. Step 4: Simplify right side
    649,186.22x = 414,790,210,216.17
  5. Step 5: Solve for x
    x = 414,790,210,216.17/649,186.22
  6. Step 6: Final answer
    x = 638,938.72

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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.