Home / 649,979.90-973,069.05-463,355.90

Finding the Fourth Proportional to 649,979.90, 973,069.05 and 463,355.90

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Solution

The fourth proportional to 649,979.90, 973,069.05 and 463,355.90 is: 693,678.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,979.90 : 973,069.05 = 463,355.90 : x
  2. Step 2: Convert to fraction form
    649,979.90/973,069.05 = 463,355.90/x
  3. Step 3: Cross multiply
    649,979.90x = 973,069.05 × 463,355.90
  4. Step 4: Simplify right side
    649,979.90x = 450,877,285,424.90
  5. Step 5: Solve for x
    x = 450,877,285,424.90/649,979.90
  6. Step 6: Final answer
    x = 693,678.81

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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.